(1)【◆题库问题◆】：[多选] 甲状旁腺激素的作用有（　　）
A．动员骨钙入血
B．促进肾小管对钙和磷的重吸收
C．促进维生素D3的活化
D．抑制破骨细胞增生
E．加强破骨细胞的溶骨作用

【◆参考答案◆】：A,C,E

(2)【◆题库问题◆】：[单选,材料题] _________根据以下内容，回答下面的题目。Insure means to protect _51_ a loss of money．Most people can budget their money so that their income will cover expected expenses _52_ food, clothing, housing, and public services．But, there is no way to know _53_ who will suffer a crisis (危机) such as a serious illness, fire, flood, or a car accident．Such crises usually _54_ great expensE．Even if people could predict crises, it would be hard to save enough money to _55_ the expenses．Insurance is a system _56_ a company collects money from many individuals and then pays certain expenses whenever one of those insured individuals is faced with a certain crisis．An insurance policy _57_ how much the insurance costs and how much the company will pay when a policy holder is faced with a certain crisis．There are many different kinds of insurance, _58_ hospital, motor-car and firE．Insurance can be rather expensive but most people buy insurance of some kinD．Insurance is something _59_ people buy and hope they will _60_ neeD．_________
A．cover
B．pay back
C．fill
D．make full

【◆参考答案◆】：A

(3)【◆题库问题◆】：[单选] 下列函数中，在x=0处不可导的是（　　）
A．
B．
C．
D．

【◆参考答案◆】：D

(4)【◆题库问题◆】：[单选,材料题] 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________．
A．The factories will test the air every day．
B．Scientists will test it every day．
C．A report will be publiseD．
D．They will ask homeowners．

【◆参考答案◆】：B

(5)【◆题库问题◆】：[单选] All things________，the plannedtrip will have to be called ofF．
A．considered
B．considering
C．to beconsidered
D．having considered

【◆参考答案◆】：A

(6)【◆题库问题◆】：[单选] 当心脏处于全心舒张期时（　　）
A．心室达到最大充盈
B．房室瓣关闭
C．心室容积不变
D．动脉瓣关闭
E．心室内压略高于心房内压

【◆参考答案◆】：D

(7)【◆题库问题◆】：[单选] It was _______ who helped Tom out when he was in trouble.
A．I
B．me
C．us
D．ours

【◆参考答案◆】：A

(8)【◆题库问题◆】：[单选] 对胸内压和肺内压的下列说法，正确的是（　　）
A．吸气时胸内压为负压
B．呼气时胸内压为正压
C．呼气末肺内压低于大气压
D．气胸时胸内压变为负压
E．肺内压总是低于大气压

【◆参考答案◆】：A

(9)【◆题库问题◆】：[单选] More has been learned since 1945 aboutthe chemical changes in the body than in all human history before ________timE．
A．in
B．that
C．which
D．the

【◆参考答案◆】：B

【◆答案解析◆】：这里指的是在1945年之前的那个时期，并有强调之意。选项B是正确的。【句子大意】自从1945年以来，我们对人体化学变化的了解比1945年之前的整个人类历史所了解的还要多。

(10)【◆题库问题◆】：[单选] It was a ________ room, with beautiful wall paper, waxed floor and nice furniture.
A．pleased
B．pleasant
C．pleasing
D．preasant

【◆参考答案◆】：B