题目

在北极的一个山脉中,原始的狼已经形成在体格和生活习性上不同的变种,其中一种狼的体重较轻,四肢发达而灵活,以猎鹿为主;另一种狼的体重较重,足短而力强,常常攻击羊群。下列叙述错误的是                     (   ) A.狼的性状分歧是自然选择的结果 B.上述现象说明自然选择在一定程度上是不定向的 C.在生存斗争中,捕食者和被捕食者之间进行着相互选择 D.原始狼群由于食物来源不同,通过自然选择进化成不同的类型 Henry is going through a very hard time. His wife has just passed away. He feels that life _______ her is meaningless. For months, Henry sits in his house, doing _______. His family try to encourage him to do new things and enjoy life, but they're not_______. Henry's neighbor, an old woman named Lisa, sees him from her yard one day. She has not seen him outside in days! She asks him to _______ closer to the fence(篱笆)next to her house."Hello, Henry! Just look at this fence. It is, falling apart. You are a _______ man. Can you help me fix this fence?” Lisa asks.Henry is angry inside. He is the one who needs _______ right now. He thinks the old lady is being kind of impolite. But she is too old to fix the fence _______, so he agrees.Henry works on the fence for days. Lift brings hire orange juice _______ he works. When he finishes, she thanks him. Henry _______ for the first time in months."What a wonderful job! Could you please paint it ________ me?" Lisa says to him. Henry cannot believe she needs more help. Doesn't she know stow sad he is? But ________ he respects (尊敬) her, he agrees. He works bard painting the fence in the hot ________, but Lisa's orange juice and encouragement are helpful. As their neighbours ________ by, they all tell Henry what a beautiful job be has done. Henry feels very happy.Henry no longer feels that ________ is meaningless. He finally realizes that Lisa wasn't being impolite. She knows that staying ________ can help us forget our sadness. He helped her, but she truly saved him.【1】A.withB.withoutC.aboutD.from【2】A.somethingB.everythingC.nothingD.anything【3】A.awfulB.successfulC.carefulD.thankful【4】A.leaveB.beginC.returnD.come【5】A.strongB.strangeC.weakD.lucky【6】A.sleepB.moneyC.helpD.advice【7】A.itselfB.himselfC.herselfD.myself【8】A.whileB.sinceC.whetherD.though【9】A.playsB.walksC.eatsD.smiles【10】A.aroundB.forC.acrossD.from【11】A.becauseB.unlessC.untilD.if【12】A.roomB.shopC.moonD.sun【13】A.guessB.showC.passD.swim【14】A.dramaB.lifeC.regretD.spirit【15】A.tidyB.lazyC.comfortableD.busy
生物 试题推荐