Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password

Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

400 must have

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
Crops   show    
🗑
abandon(v.)   To leave; to give up   show  
🗑
adversely (adv.)   In a harmful way; negatively   Excessive rainfall early in the spring can adversely affect the planting of crops.   show
🗑
show Gathered into or amounting to a whole   It is impossible to judge last year’s performance without knowing the aggregate sales numbers.   انبوه توده جمع جمع شده مجموع  
🗑
fertilize (v.)   To supply with nourishment for plants by adding helpful substances to the soil   show حاصلخیز کردن بارور کردن کود دادن  
🗑
show غذا قوت خوراک تغذیه   To supply with nourishment for plants by adding helpful substances to the soil    
🗑
intensify (v.)   show Jacob’s long absence intensified his certainty that he should marry Rose.    
🗑
show The supplying of water to dry land   In dry areas of the country, you can see ditches all over the farmland for irrigation.   ابیاری  
🗑
obtain (v.)   To gain possession of; to get   After a series of difficult interviews, he finally was able to obtain the job.   show
🗑
photosynthesis (n.)   The process by which green plants make their own food by combining water, salts, and carbon dioxide in the presence of light.   Oxygen is a by-product of the process of photosynthesis.   show
🗑
precipitation (n.)   show In the Pacific Northwest, the high level of precipitation ensures rich, green plant life.   بارش  
🗑
show مصیبت حادثه بد بدبختی      
🗑
anticipate (v.)   To expect; to sense something before it happens   show  
🗑
tremor   لرزش تکان لرزه   show  
🗑
prone   show By placing sensors in earthquake-prone areas, scientists can anticipate some tremors in time to warn the public.    
🗑
catastrophic (adj.)   show The architect died in a catastrophic elevator accident.   مصیبت بار فاجعه بر انگیز  
🗑
ruin   show    
🗑
collide (v.)   show As usual, their holiday was ruined when their in-laws’ views on politics collided with their own   تصادم کردن، بهم خوردن  
🗑
eruption (n.)   A sudden, often violent, outburst   The eruption of Mount St. Helens in 1980 caused 57 deaths and immeasurable change to the face of the mountain.   show
🗑
famine (n.)   Severe hunger; a drastic food shortage   The potato famine in Ireland in the mid-nineteenth century caused large numbers of Irish people to emigrate to America.   show
🗑
drastic   show    
🗑
flood (n.)   show The constant rain and poor drainage system caused a flood in town    
🗑
opponent   مخالف،حریف خصم طرف   The political party sent out a flood of letters criticizing their opponents.   show
🗑
impact (n.)   A strong influence   The speech about the importance of education made an impact on me.   show
🗑
show To keep going, despite obstacles or discouragement; to maintain a purpose   The hikers persevered despite the bad weather and the icy trail.   پشتکار داشتن،استقامت به خرج دادن،ثابت قدم ماندن  
🗑
obstacle   گیر مانع پاگیر سدراه   show  
🗑
plunge (v.)   show He jumped off the diving board and plunged into the pool. شیرجه رفتن،ناگهان داخل شدن   The value of the company’s stock plunged after its chief executive was arrested. سقوط سنگین  
🗑
unleash (v.)   To release a thing or an emotion   When they saw the strange man on their property, they unleashed their dogs.   show
🗑
Evolution   تکامل،تغییر شکل،تحول     show
🗑
adapt (v.)   To adjust to the circumstances; to make suitable   Dinosaurs could not adapt to the warmer temperatures.   show
🗑
diverse (n.)   Various; showing a lot of differences within a group   India is one of the most linguistically diverse countries in the world.   show
🗑
show To develop; to come forth   Modern-day sharks evolved from their ancestor Eryops, which lived more than 200 million years ago.   بیرون دادن،استنتاج کردن،نمو کردن  
🗑
feature (n.)   Part, characteristic   show  
🗑
show A group of people born at about the same time   As older managers retired, a new generation of leaders took control of the company.    
🗑
inherent (adj.)   Naturally characteristic; always found within something, because it’s a basic part of that thing   No job can be interesting all the time. Boredom is inherent in any kind of work.   show
🗑
show The migration of farm workers from one state to the next depends primarily on the harvest.   خرمن محصول دروکردن    
🗑
ape   Because of the shape of its throat, an ape does not have the physical ability to speak.   show  
🗑
show To continue living (despite some danger or illness)   After getting lost in the mountains, Gordon survived by eating wild plants and catching fish.    
🗑
constraint (n.)   show The constraints of military life kept Eileen from seeing Private Morris more than once a month.    
🗑
contamination (n.)   Being made less clean by a germ or hazardous substance   show الودگی کثافت  
🗑
deplete (v.)   To greatly decrease the supply of a resource or material   The prolonged war depleted the country’s national treasury.   show
🗑
show To throw away; to get rid of; to kill   She disposed of her unwanted possessions before moving. مرتب کردن   She disposed of her unwanted possessions before moving. ترتیب کار ها را دادن  
🗑
tyrant   show    
🗑
elementally (adv.)   In terms of elements; basically   Elementally, coal and diamonds are the same.   show
🗑
show Sending out from a small space into the general environment; a substance discharged into the air   The Environmental Protection Agency regulates the emission of pollutants into the air.   صدور خروج نشر  
🗑
show Complete disappearance; the end of existence   Human beings have caused the extinction of many other species.   خاموش سازس انقراض اعدام  
🗑
reservoir (n.)   A place where a liquid is collected and stored   Cult members threatened to poison the town’s water reservoir.   show
🗑
shrink (v.)   show If you dry your clothing on the “high heat” setting, they may shrink.    
🗑
show خوگرفته،معتاد      
🗑
adjust (v.)   show Travelers are advised to adjust their watches before arriving in the new time zone.    
🗑
arbitrary (adj.)   show The decision to build a school in Blackberry Township was arbitrary, without any thought to future housing patterns.    
🗑
whim   هوس،خیال،وهم   show  
🗑
denominator (n.)   The number written below the line in a fraction   In the fraction 1⁄2, the number 2 is the denominator.   show
🗑
lowest common denominator   show    
🗑
show At a very fast rate   In Turkey, the value of the lira has decreased exponentially in the last several decades.    
🗑
infinitesimal (adj.)   Immeasurably small   show  
🗑
show جسم آلوده      
🗑
maximize (v.)   show A coach helps each athlete maximize his or her potential.    
🗑
parallel (adj.)   Being an equal distance apart everywhere   The street where I live runs parallel to the main road through town.   show
🗑
proportion (n.)   show The average employee spends a large proportion of each workday answering e-mails.    
🗑
rate (n.v.)   show Postal rates in Japan are among the highest in the world.   Some grasses grow at the rate of one inch per day.  
🗑
succession   توالی،جانشینی،ردیف، وراثت   To organize or arrange in succession   show
🗑
show Precision; exactness   The research department checks all our articles for accuracy of facts before we print them.    
🗑
adjacent (adj.)   show Even though the villages are adjacent to each other, their residents speak different languages.    
🗑
show To press together   To make the foundation stronger, they compressed the soil before pouring the concrete.    
🗑
show Practically; in a way that can work   Scientists can’t feasibly bring energy from deep ocean currents to where it is needed -on land.    
🗑
gut (v.)   To empty or hollow out   show احشا،پرخوری،حریصانه خوردن،غارت کردن  
🗑
show In a whole or complete manner   Writing and spelling are taught integrally as part of the reading program.    
🗑
overlap (v.n.)   show One of the two assistants will likely get fired, since most of their duties in the office overlap.    
🗑
show To keep or hold   The rain fell so heavily that the banks of the river could not retain all the water.    
🗑
show To pass slowly for a long time, as a liquid or gas might   As the containers rusted, the toxic waste seeped into the ground.   چکه کردن،چکه،تراوش  
🗑
rust   زنگ،زنگ زدن     show
🗑
outsiders   Most companies have a social structure that can’t be understood by outsiders.   خارجی،بیگانه   show
🗑
circulate (v.)   show The gossip circulated quickly through the small town.   Blood circulates more quickly during physical exercise.  
🗑
corrode (v.)   To be slowly weakened by chemical reactions   show خوردن،پوسیدن،زنگ زدن  
🗑
derive (v.)   To come from, usually through a long, slow process   show  
🗑
expeditiously (adv.)   show Using carrier pigeons, the military commanders exchanged messages expeditiously.    
🗑
implement (v.)   To make use of; to carry out   show اجرا کردن،تکمیل کردن،وسیله،الت  
🗑
innovative (adj.)   Ahead of the times; novel   The innovative use of props and lighting drew many favorable comments.   show
🗑
maintenance (n.)   The act of keeping something in good condition   show  
🗑
imitation   تقلید،پیروی،بدلی،جعلی   simulation   show
🗑
combustion (n.)   show When air quality is poor, combustion of materials in a fireplace is prohibited.    
🗑
prohibit   منع کردن،تحریم،منع     show
🗑
show To transport from one place to another; to transmit or make known   A messenger conveyed the prince’s letter to the commander of the army.    
🗑
discretely (adv.)   show In order to understand how the engine worked, each component needed to be studied discretely.    
🗑
permeate (v.)   show The smell of cooking permeated the entire apartment building.   نفوذ کردن ، سرایت کردن ، نشت کردن  
🗑
solar (adj.)   Of, or relating to, the sun   The ancient society kept time with a solar calendar.   show
🗑
trigger (v.)   show I was certain any mention of politics would trigger a big argument.   ماشه،ماشه چیزی را کشیدن،رها کردن،راه انداختن  
🗑
acquisition   The act of taking possession of something   Our recent acquisition of over 2,000 books makes ours the biggest library in the region.   show
🗑
show Something unusual   White tigers get their beautiful coloring from a genetic anomaly.    
🗑
degrade (v.)   To reduce in value or strength   show  
🗑
show Opening; a big difference in amount or quality   The small gap between the walls in the old house caused cold drafts to come in.    
🗑
indisputable (adj.)   Beyond doubt; unquestionable   The members of the jury found her guilty because they found the facts of the case indisputable.   show
🗑
intervene (v.)   To come between   show حائل شدن .مداخله کردن  
🗑
mediator   میانجی، دلال     show
🗑
dispute   مشاجره ، نزاع، جدال کردن   show  
🗑
intuitively (adv.)   By means of a natural sense about things that are hard to observe   Many mothers know intuitively when something is wrong with their children.   show
🗑
recede (v.)   show After the age of 30, his hairline began to recede further back from his forehead.   پس رفتن  
🗑
show To bring or get back   Most dogs can be trained to retrieve objects that their owners have thrown.   باز یافتن،پس گرفتن  
🗑
cultivation (n.)   show With the development of land cultivation, hunters and gatherers were able to settle in one place.   کشت زراعت تربیت ترویج  
🗑


   

Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
 
To hide a column, click on the column name.
 
To hide the entire table, click on the "Hide All" button.
 
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
 
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.

 
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how
Created by: baharcham
Popular TOEFL sets