What does the man say about watching classic movies？A．It is helpful in practicing one"s pr

Whether English should be a tool or a subject has generated a heated discussion over the past decade. Some argue that English as a subject has taken up too much time of Chinese students, so that it should be removed from the school syllabus. While others argue that English as a tool should be learned. Whats your opinion？ Write on ANSWER SHEET THREE a composition of about 200 words on the following topic-. Is English a Tool or a Subject？ You are to write in three parts. In the first part, state specifically what your opinion is. In the second part, support your opinion with appropriate reasons. In the last part, bring what you have written to a natural conclusion or make a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the instructions may result in a loss of marks.

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分泌褪黑素的是

A.下丘脑

B.腺垂体

C.甲状腺

D.肾上腺

E.松果腺

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眼晶状体

A.异种抗原

B.同种异型抗原

C.异嗜性抗原

D.自身抗原

E.肿瘤相关抗原

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Pakistani and U. S. officials have formally signed an agreement before they______.

A．fought together against the terrorist group

B．negotiated on the anti-terrorism cooperation

C．spied on the Taliban in Afghanistan

D．united to form. coalition troops

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男性患者35岁，发现血压增高两年，自述头昏头胀痛，体检：血压150/95mmHg，胸片呈主动脉型心，诊断为高血压病。进一步检查发现，病人患有痛风和支气管哮喘，此时应

A、不需换药，继续原来治疗

B、改用钙拮抗剂或β受体阻滞剂

C、改用血管紧张素转换酶抑制剂或钙拮抗剂

D、改用利尿剂或利血平

E、B和D均可

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