正确答案: A

thoughtful

题目：How________of you to remember my birthday!

解析：How后跟形容词，排除选项B和D。Thoughtful周到的，careful仔细的。选项A是正确的。【句子大意】你记得我的生日，太周到了。

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学习资料的答案和解析：

[单选题]构建社会主义和谐社会的工作动力是（　　）

坚持改革开放

解析：坚持改革开放是构建社会主义和谐社会的工作动力，故选“B”。科学发展是工作方 针；以人为本是根本出发点和落脚点；民主法治是 工作保证。故排除“A”、“C”、“D”。

[单选题]毛泽东第一次明确提出社会主义社会存在敌我矛盾和人民内部矛盾的观点的著作是（　　）

1956年12月给黄炎培的信

解析：本题考查对毛泽东著作主要内容的 深刻认识，要注意区分。第一次明确提出社会主 义存在敌我矛盾和人民内部矛盾这一观点的是 1956年12月给黄炎培的信，故选“C”。

[单选题]It is often easier to make plans than to ________ them out．

carry

解析：考查动词词组。Put out生产、熄灭，carry out执行、完成，take out取出、扣除，practice不与out搭配。Make plans计划。计划容易，执行计划难。选项B是正确的。【句子大意】一般来说，制订计划要比执行计划简单。

[单选题]The subject of this passage is ________．

根据以下内容，回答下面的题目。Researchers have found that REM (rapid eye movement) sleep is important to human beings．This type of sleep generally occurs four or five times during one night of sleep lasting five minutes to forty minutes for each occurrence．The deeper a person’s sleep becomes, the longer the periods of rapid eye movement．There are physical charges in the body to show that a person has changed from NREM (non-rapid eye movement) to REM sleep．Breathing becomes faster, the heart rate increases, and, as the name implies, the eyes begin to move quickly．Accompanying these physical changes in the body is a very important characteristic of REM sleep．It is during REM sleep that a person dreams．According to the passage, how often does REM sleep occur in one night?

physical changes in the human body

[单选题]How will the government know what the air quality is?

根据下列短文，回答下面的题目。　　A panel of government officials is worried．The air quality in some areas is not good．Theair is polluted with soot．The officials worry that the air is harmful to the people who breathethe air．The officials are expels．They study the environment．They diSCUSS ways to stop theair pollution．The panel decided to make，some changes to the law．　　The mew plan places strict limits on how much soot call be released into the air．Now，ameasurement of 65 parts of soot is considered safe．The new plan would reduce that number to30．The daily limit of pollution in the air would be cut in half．　　These new standards would affect industry．The limits would also affect people who ownwood stoves and fireplaces．The country will keep track of the air quality every day．Peoplewould be required to stop burning wood when the levels are high．They could also install a kindof special fireplace．These fireplaces burn very little wood．They do not pollute the air asmuch．Some countries will punish families who violate the ban．They will have to pay a fine fornot complying with the law．　　Some states do not have much industry．Their pollution problem is not too bad．Theywould stiU have to regulate how much pollution is released into the air．The experts hope thatthis ban will help keep the air cleaner．Before the plan becomes a law the public will have a chance to comment on it．Citizenswill have ninety days to ask questions and voice concerns about the plan．Then it will becomea law．The panel is made up of________．

Scientists will test it every day．

[单选题]I knew more English，I_______for this position

would apply

[单选题]

[单选题]

[单选题]下列关于M型受体的叙述，错误的是（　　）

存在于神经肌肉接头的终板膜上