题目内容

What if the passengers feel earache?

A. Tell the passenger it is very common during the flight.
B. Advise the passenger to chew gums or swallow.
C. Let the passenger know that it will be better soon.
D. Ask the passenger to walk around.

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What if the passenger is bleeding?

A. Wash the cuts.
B. Wrap up with gauze.
C. Leave the passenger aside.
D. Try to comfort the passenger.

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What if the passenger feels heart uncomfortable?

A. No idea how to deal with it.
B. Ask the passenger whether he or she brings any medicine.
C. Give an announcement to see if there is a doctor on board.
D. Confirm whether the passenger has ever felt heart uncomfortable before.

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施工质量水平提高会降低施工中的故障成本，减少未达到质量标准而发生的一切损失费用，所以应该提高质量水平。

A. 对
B. 错

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患儿，男，10个月，8个月时出现发热，热退后出现进行性全身无力、运动发育倒退和吞咽困难。血乳酸、丙酮酸增高，脑MRI显示双侧基底节对称性损害。对患儿进行外周血白细胞线粒体氧化磷酸化酶复合物Ⅰ-Ⅴ活性测定发现，线粒体呼吸链复合物Ⅱ活性为21.9nmol/（min·mg）线粒体总蛋白（正常对照47.3±5.3nmol/（min·mg）线粒体总蛋白）显著降低。患儿诊断为线粒体呼吸链复合物Ⅱ缺陷所致Leigh综合征。线粒体呼吸链复合物Ⅱ的酶活性中心为

A. NADH-CoQ氧化还原酶
B. 琥珀酸-CoQ氧化还原酶
CoQH 2-细胞色素C氧化还原酶
D. 细胞色素C氧化酶
E. 丙酮酸脱氢酶

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What if the passengers feel earache?

A. Tell the passenger it is very common during the flight. B. Advise the passenger to chew gums or swallow. C. Let the passenger know that it will be better soon. D. Ask the passenger to walk around.

What if the passenger is bleeding?

What if the passenger feels heart uncomfortable?

施工质量水平提高会降低施工中的故障成本，减少未达到质量标准而发生的一切损失费用，所以应该提高质量水平。

A. Tell the passenger it is very common during the flight.
B. Advise the passenger to chew gums or swallow.
C. Let the passenger know that it will be better soon.
D. Ask the passenger to walk around.