We sometimes call the lion “the king of the forest” , because it is stronger and more dangerous than other animals. It can _____________ faster than many animals and hunt the best. It is the highest animal in the_________ food chain.
In the sea, the shark is one of the animals at the top of the food chain. It can swim faster than _______________ other sea animals, and it can use its big teeth to eat them.
What is at the top of the world’s food chain? People are! We are not the biggest or fastest, but we are the_____________. We could not run faster than cheetahs ( 猎 豹 ), so we _________ cars and now we can move the fastest. We could not fight better than lions, so we invented guns. Now we can hunt the best.
People’s inventions are clever, but they can be ___________, too. For example, people built _____________, and now they make the air and rivers dirty. This can make terrible changes._______ rivers kill fish. Then bears cannot eat the fish. If we kill one part of the food chain, other parts will also die. Remember that we are a part of the food chain, ___________we are in danger, too! If we protect animals, we are protecting ________________! We could and we should do something for the world!
1.A.walk B.swim C.run
2.A.sea B.land C.mountain
3.A.most B.another C.any
4.A.strongest B.cleverest C.most important
5.A.used B.drove C.invented
6.A.interesting B.dangerous C.helpful
7.A.factories B.hotels C.schools
8.A.Dry B.Deep C.Dirty
9.A.or B.so C.but
10.A.ourselves B.oneself C.yourselves
—Your sweater looks great. Is it made________wool?
—Yes, and it is made________Australia.
A.of; in B.with; from C.from; of
—Alice, what does this word mean?
—Sorry, I don’t know, ________. You can look it________in the dictionary.
A.either; for B.too; around C.either; up
—How about________out for a walk now?
—It sounds great. I really need to________some fresh air right now.
A.going; take in B.go; lead to C.going; take away
—More than 20________people died of COVID-19 in the U.S.
—The number will keep increasing________the government doesn’t take any steps right now.
A.thousand; unless B.thousand; if C.thousands; if
—What would you like to do to relax yourself?
—I prefer to________to music rather than________TV.
A.listen; watch B.listening; watching C.listen; to watch