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3. Without the particularly habitat, the species could not survive any more.
A B C D
4. Forty years after Yuri Gagarin became the first man in orbit, Dennis Tito, an American
A B
businessman has become the world first space tourist.

5. I wash the dishes yesterday, but I have not had the time yet to do it today.
A B C D

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.
1. The smallest ___________ is about 0.4 micron in diameter.
A. animals B. species C. bacteria D. diseases
2. Some can cause ___________.
A. disease B. infection C. infectious D. infectiously
3. Since 2009, Iceland has been the global ___________ in gender equality.
A. leader B. leads C. leading D. lead
4. Vaccines are often used to prevent the ___________ of diseases caused by viruses.
A. development B. increase C. decrease D. spread
5. Viruses can cause a range illness, from the common cold or the flu to ___________ diseases such as AIDS and Covid-19.
A. infectious B. minimal C. serious D. benign
6. Start by looking at food labels, paying attention to ingredients and ___________ such as vitamins and minerals.
A. nutrients B. features C. types D. drinkables
7. The screens ___________ blued light that can prevent you from sleeping well.
A. give away B. give out C. give in D. give off
8. Exercise ___________ to always keep your body fit and your mind happy.
A. regular B. regularly C. irregular D. irregularly
9. Many doctors recommend ___________ as a way to reduce stress.
A. medication B. thought C. stillness D. calmness
10. Whole grains are high in fiber and contain a variety of ___________ that support healthy blood sugar levels.
A. nutrition B. nutrients C. nutritionists D. nutritious
11. Living to an average of 83 years old, Japan is the nation with the highest ___________ in the world.
A. life skills B. life work C. life force D. life expectancy
12. This idea has long been ___________ to Keynes, but in fact he was not the first to think of it.
A. contributed B. attributed C. dedicated D. applied
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