鼓室前壁的开口有（）。 A.鼓窦入口 B.鼓膜张肌半管开口 C.鼓索小管的鼓室口 D

发行人与主承销商签订的承销团协议应包括承销期及起止日期。( )

根据对话内容。从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

一 Did you hear that Jack was in hospital?

一 Oh, really? 1_____

一 He's got a very high temperature. Something may be wrong with his lungs.

一 2_____

一 He went to South Asia this summer. 3_____.

— That's too bad. 4_____.

一 For a couple of weeks. But he didn't go to see a doctor until this Friday.

一 5_____ He should have seen a doctor earlier.

一 Yes, I agree, but luckily the doctor said he wasn't in serious danger. If he stays in the hospital for

      a mouth, he should be better.

－ I hope so.

A. How in the world did he get that?

B. How long has he been sick?

C. Why did he stay so long?

D. What's the matter with him?

E. He should go to hospital

F. He must have got that there

G. Why not send him to hospital?

哮喘持续状态的治疗方案是

A．异丙肾上腺素+氨茶碱
B．氨茶碱+麻黄碱
C．麻黄碱+肾上腺皮质激素
D．皮质激素+异丙肾上腺素
E．氨茶碱+肾上腺皮质激素

下列关于可变更、可撤销的合同的表述中，不正确的是______。

A．可变更、可撤销的合同在撤销前已经生效，在被撤销以前，其法律效果可以对抗除撤销权人以外的任何人
B．可变更、可撤销的合同的撤销，应由撤销权人以撤销行为为之，人民法院不主动干预
C．一方以欺诈、胁迫的手段或者乘人之危，使对方在违背真实意思的情况下订立的合同，只有受损害方才有权撤销
D．可变更、可撤销的合同一经撤销，则视同无效合同，合同中有关解决争议方法的条款也随之失效

任意时潮高＝低潮潮高+潮高改正数=（）

A．低潮潮高+潮差×[1+cos（t/T×180°）]/2

B．高潮潮高+潮差×[1-cos（t/T×180°）]/2

C．高潮潮高-潮差×[1+cos（t/T×180°）]/2

D．低潮潮高+潮差×[1-cos（t/T×180°）]/2