A.Paper Causes Less Pollution |
B.Plastic Causes Less Pollution |
C.Paper and Plastics Cause Pollution |
D.Paper Bags Break Down More Quickly |
A.Advantages | B.disadvantages | C.a(chǎn)ir pollution | D.waste |
A.Plastic takes longer to break down than paper. |
B.Sea turtles usually mistake the plastic bags for jellyfish. |
C.Paper bags require less energy than plastic bags. |
D.You’d better pack things in reusable cloth bags. |
A.Paper bags take less time to rot. |
B.Paper bags cause less air pollution. |
C.Paper bags are more reusable. |
D.Paper bags cause less water pollution. |
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A.warm the earth to a proper level for life |
B.protect the earth from dangerous sun rays |
C.make all life on the earth in a dangerous situation |
D.prevent human beings from being harmed from the earth |
A.Scientists aren’t sure what has destroyed part of the ozone layer. |
B.Scientists recently have discovered a hole in the Antarctica. |
C.Scientists prove that spray cans have destroyed part of the ozone layer. |
D.Global warming doesn’t affect weather patterns around the world. |
A.spray cans | B.refrigerators | C.ranchers | D.a(chǎn)ir conditioners |
A.scientists are badly in need of others’ help |
B.items containing dangerous gases should be forbidden |
C.scientists can’t afford so much money to take measures |
D.people all over the world use items containing dangerous gases |
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A.a(chǎn)nthropologists can study the structure of human stomachs by studying their teeth. |
B.a(chǎn)nthropologists can study the diet of early humans by studying their teeth |
C.a(chǎn)nthropologists can learn whether humans were healthy by looking at their teeth |
D.a(chǎn)nthropologists can get the most useful information about humans from their teeth |
A.Scratches on teeth are caused by eating nuts or seeds. |
B.Pits on teeth are caused by eating grass or leaves. |
C.Early humans with hard and sharp teeth ate meat and leaves. |
D.Different foods leave different marks and carbon on teeth. |
A.tell readers that they are one of our close cousins living in eastern Africa |
B.tell readers they had different eating habits from modern humans |
C.prove that size and shape of skulls does not show accurately what early humans ate |
D.tell readers that living environment makes a difference to skull structure |
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A.spend a long time in school |
B.have a good chance to get a job |
C.spend the best years to choose jobs |
D.have fewer chances to get a good job |
A.make a man lead a better life |
B.teach a man to write and think |
C.make people get a way of living |
D.teach people to read good books |
A.a(chǎn)ccept education as a way of living |
B.take an interest in the whole world |
C.develop their abilities to make plays |
D.learn subjects like language and math |
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A.b, d, e ,f, a, c | B.a(chǎn), b ,c, d ,e, f |
C.d, e,f, b,a,c | D.b,c, d,e,f,a |
A.containers | B.seeds | C.young plants | D.layers |
A.store it in plastic bags | B.eat the inside leaves |
C.wrap it in paper | D.eat while it is fresh |
A.Lettuce is the easiest crop to grow in your garden. |
B.The lettuce is not hard to plant and store. |
C.We can plant lettuce in a two-centimeter-high tray. |
D.We should water lettuce at least twice a day. |
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A.It can help a lot in lung transplants |
B.It was once on display |
C.It works differently from the normal one in the body |
D.It’s just like an oxygen bottle. |
A.support | B.money | C.time | D.trial |
A.Negative. | B.Doubtful. | C.Curious. | D.Objective. |
A.Science. | B.Culture. | C.Economy. | D.Education. |
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A.study modern science and technology |
B.pass all knowledge to their students |
C.use non-traditional devices in class |
D.meet the needs of intelligent student first |
A.Indian education is among the best in the world now |
B.Indian is becoming more and more powerful now |
C.the right to education should be valued all over the world |
D.a(chǎn) lot of students in India are from other countries |
A.spread | B.ignorance | C.a(chǎn)rgument | D.question |
A.It has nothing to do with society |
B.It helps people to achieve what they want |
C.It has little effect on people’s physical ability |
D.It makes a poor man become rich |
A.The importance of education | B.The responsibility of education |
C.The development of education | D.The purpose of education |
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A.Online games can be harmful to kids. |
B.Online games can be helpful to kids. |
C.Kids like to play games online. |
D.Parents are worried about their kids. |
A.they have trouble operating the computer |
B.phonetics and spelling are useless |
C.staying in the classroom is boring |
D.mathematical problems are difficult |
A.The kid's expense. | B.The kid's interest. |
C.The kid's level. | D.The kid's ability. |
A.help parents keep an eye on their kids |
B.make it easier to solve mathematical problems |
C.establish closer relationship between parents and kids |
D.leave kids comfortable at home |
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A.receiving | B.experiencing | C.ending | D.beginning |
A.no wonder mobile phones are used in the bathroom |
B.the bathroom is a private place for people |
C.it makes people have no privacy at all |
D.more men have used the phone in the bathroom |
A.Using phones in the bathroom has a bad effect on hygiene |
B.Mobile phones should not be allowed to use in the bathroom |
C.Most people care about the hygiene after using the bathroom |
D.Few people wash their phones after using the bathroom |
A.supportive | B.disapproval |
C.subjective(主觀的) | D.objective(客觀的) |
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