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问题 单项选择题

对β1受体有激动作用的平喘药是

A．丙卡特罗

B．氯丙那林

C．特布他林

D．沙丁胺醇

E．异丙肾上腺素

答案

参考答案：E

解析：
异丙肾上腺素为β受体激动剂，激动β1和β2受体作用强，扩张支气管，用于支气管哮喘的急性发作。

填空题

根据句意及汉语提示写出单词。

1. There were kangaroos that were _______ (跳跃) alongside the car on our way back from Uluru.

2. The Australians have many British _______ (亲戚，家人) and they're like us in many ways.

3. I got some great shots of the boy who plays the guitar on the _______ (左边).

4. We didn't _______ (盼望) to see you .

5. He Zhong manages to show the _______ (运动，动作) and the sounds of the great new band.

6. This is like a _______ (卡通) story.

7. He flies into a peach garden and eats as many _______ (桃子) as he likes.

8. He'll need to take a lot of _______ (练习).

9. I've just _______ (碰，撞) into the head teacher.

10. Don't _______ (放弃) if you want to stay fit.

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单项选择题

关于投标报价策略论述正确的有，( )。

A．工期要求紧但支付条件理想的工程应较大幅度提高单价

B．施工条件好且工程量大的工程可适当提高报价

C．一个建设项目总报价确定后，内部调整时，地基基础部分可适当提高报价

D．当招标文件中部分条款不公正时，可采用增加建议方案法报价
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