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问题 单项选择题

对于肺动脉漏斗部狭窄者要想显示右室流出道及其形态，隔束、壁束、室上嵴厚度及右室壁肌肥厚，最佳切面图为

A．左室长轴图

B．四腔图

C．剑下四腔图

D．心底短轴图

E．两腔心图

答案

参考答案：D

解析：心底短轴图可清晰显示右室流出道。

补全对话，情景问答

根据对话情景，填入恰当的单词。

L-Lisa, E-Edward

L: The last day of school finally comes. What are you doing on this summer vacation?

E: Well, from tomorrow on, I'm working as a __1__ in my dad's restaurant.

L: Really? So soon?

E: I really like to meet people and want to save some money for college.

L: Are you __2__  every day?

E: No. I'm not working on weekends.

L: What are you doing then?

E: I'm going to a friend's cabin (小屋) by the lake on most weekends. I like __3__ and water-skiing. It's

    great to stay in the water in summer.

L: Oh, that sounds like fun!

E: I'm going to __4__  with my cousin in the last week. We both like places of interest (名胜古迹).

L: Have a great time!
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单项选择题

在实际中使用频率最低的储备资产是（）。

A.黄金储备

B.外汇储备

C.在基金组织的储备头寸

D.特别提款权
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