——I am afraid I might forget to buy the bread after work.

——Don't worry. I will you then.

A. notice B. allow C. remind D. promise

C 【解析】句意：不要擔(dān)心，我會(huì)提醒你的。A. notice注意到； B. allow 允許； C. remind提醒； D. promise答應(yīng)；許諾；根據(jù)Don't worry可知是會(huì)提醒你；故選C

Before the sun , we need to get to the top of the mountain.

A. set B. sets C. is setting D. will set

B 【解析】句意：太陽落山之前，我們需要到達(dá)山頂。Before 引導(dǎo)的時(shí)間狀語從句不能用將來時(shí)態(tài)，用一般現(xiàn)在時(shí)態(tài)來代替，主語the sun單三，謂語動(dòng)詞用單數(shù)形式；故選B

Our class are much sure to win the basketball game ______ Class Three.

A. of B. in C. against D. from

C 【解析】句意：我們班確信在和三班的比賽中能贏得籃球比賽。A. of 的； B. in 在---里； C. against對(duì)抗，反對(duì)； D. from來自；根據(jù)the basketball game和 Class Three.可知是對(duì)抗三班的比賽；故選C

Some animals can ___ the color around to protect themselves.

A. take on B. give up C. put away D. see off

A 【解析】句意：一些動(dòng)物能隨周圍變化顏色來保護(hù)他們自己。A. take on穿上，呈現(xiàn)； B. give up 放棄； C. put away 放好，收起； D. see off出發(fā)；根據(jù) protect themselves.可知是呈現(xiàn)周圍的顏色；故選A

——May I watch TV, Dad?

——When your homework is finished, you ______

A. should B. can C. must D. need

B 【解析】句意：——我可以看電視嗎，爸爸？——當(dāng)你的作業(yè)完成的時(shí)候，你能看。A. should 應(yīng)該； B. can 能； C. must 必須； D. need需要；根據(jù)May I watch TV, Dad?肯定回答用can；故選B

——I wonder ______ Jane gets on so well with her classmates.

——Because she always cares much about others.

A. whether B. how C. when D. why

D 【解析】句意：——我想知道為什么簡和她的同學(xué)相處的這么好�！�—因?yàn)樗�總是非常關(guān)心別人。A. whether 是否； B. how 怎樣； C. when 什么時(shí)候； D. why為什么；根據(jù)Because she always cares much about others可知問為什么；故選D

The speaker showed some ______ examples to make the science report easy to understand.

A. awful B. stupid

C. proper D. thick

C 【解析】句意：演講者舉了一些合適的例子來使科學(xué)報(bào)告更容易理解。A. awful不舒服的，極壞的，可怕的； B. stupid愚蠢的；C. proper 合適的，恰當(dāng)?shù)模?D. thick厚的；根據(jù)make the science report easy to understand.可知是合適的例子；故選C

——Will you go to the picnic this Saturday?

——I'd like to,______ I'll have to help look after my baby sister.

A. but B. or C. and D. so

A 【解析】句意：——這周六你去野餐嗎？——我想去，但是我不得不照看我的妹妹。A. but但是； B. or或者； C. and 和； D. so所以；根據(jù)I'd like to和I'll have to help look after my baby sister.之間是轉(zhuǎn)折關(guān)系；故選A

（題文）Little Jack has learned to do lots of things on his own , ______ he is only four years old.

A. if B. though C. for D. since

B 【解析】句意：小杰克自己學(xué)會(huì)了做許多事情，盡管他只有四歲。A. if 如果； B. though 盡管 C. for 因?yàn)�，為了�?D. since自從；根據(jù)Little Jack has learned to do lots of things on his own , 和he is only four years old.之間是讓步關(guān)系，所以用 though 引導(dǎo)讓步狀語從句；故選B...

Yuan Longping is______ regarded as the greatest scientist in rice planting.

A. suddenly B. patiently C. hardly D. generally

D 【解析】句意：袁隆平通常被認(rèn)為是在水稻種植上最偉大的科學(xué)家。A. suddenly突然； B. patiently 有耐心的； C. hardly幾乎不； D. generally通常，普通的；根據(jù)句意應(yīng)是普遍認(rèn)為；故選D