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问题 单项选择题

关于小儿心电图特点错误的是（）。

A.心率较成人快

B.P波时限较成人稍短

C.右胸导联常R/S>1

D.常为左室电压占优势

E.右胸导联常出现T波低平、倒置

答案

参考答案：D

填空题

请根据句意及英文释义选择填空。

1. — Mom, I'd like some hamburgers. I think they are very ____ (nice, good).

    — OK, we'll have them for lunch.

2. — Please come in and have a ____ (seat, sit).

    — Thank you.

3. — Dad, would you like to ____ (get, take) a new bike for me?

    — Sure. What color would you like?

4. These are your oranges. Those are ____ (my oranges).

5. — What time do you often get up in the morning?

    — At a ____ (fifteen minutes(分钟)) past six.

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单项选择题

党和人民意志的集中体现是强调宪法的实质性权威，这是人民真诚拥护、坚决捍卫宪法的（）。

A、法治基础

B、法律地位

C、政治基础

D、政治地位
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