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e B.color C.size D.material(材料)13.For the time being we can collect much ________ either from books or on the Internet.A.idea B.method C.information D.suggestion14.Yancheng Nature Reserve covers an ______ of over 45,000 square kilometers. It is one of the world’s most important wetlands.A.a(chǎn)rea B.object C.space D.population15.—I didn’t have the to go out alone at night when I was a little child.—So did I. But now I’m brave enough.A.courage B.power C.a(chǎn)bility D.chance16.–Could you give me a few ______ on how to spend the ing summer holiday?OK. Let me see.A.hobbies B.knowledge C.suggestions D.information17.The ____of antibiotics(抗生素) in the 20th century has made a great difference to us.A.invention B.instruction C.method D.discovery18.The visitor told a very ______story about what he did for a ______in Africa.A.lively;living B.lively;life C.living;living D.a(chǎn)live; live19.—Could you take out the rubbish and do the dishes,Tony?—Sure,Mom will be mad if she sees this _________,I think.A.matter B.messC.trouble D.difficulty20.The man next door is a ________ to Bruce. He doesn’t even know the neighbor’s name.A.stranger B.volunteer C.trainer D.teacher21.My puter caught a ________ the other day and all the information went missing.A.virus B.disease C.problem D.trouble22.Cindy is always full of __________ because she takes a lot of exercise everyday.A.courage B.knowledge C.energy D.experience23.Life is like riding a bicycle. To keep your ________, you must keep moving.A.promise B.position C.balance D.a(chǎn)bility24.—I have great ________ in learning Chemistry and I am so worried. Could you help me?—Sure. I would be glad to.A.interest B.trouble C.fun D.joy25.I was attracted by the lady’s warm smile. It was really like a hidden ________ .A.pleasure B.treasure C.a(chǎn)ttention D.invention26.My sister has no sense of ________. She always gets lost in the city streets.A.shame B.duty C.direction D.humour27.—Do you know a Chinese called ChenGao?—Exactly, his ________ makes the whole world shocked and he bees the youngest PHD supervisor(博導(dǎo))in Math area.A.a(chǎn)dvantage B.progress C.a(chǎn)chievement D.a(chǎn)ttention28.All the ________ was for nothing because the visit was cancelled. Put it away now.A.pollution B.connection C.suggestion D.preparation29.—What’s on the table?—Can’t you see? There are some ________ of milk.A.packets B.glasses C.bottles D.cartons30.The number of the people who use Huawei ________ is getting larger and larger.A.products B.customers C.cultures D.histories31.—Why are you