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问题 单项选择题

根据《建筑施工工具式脚手架安全技术规范》一端固定在附墙支座上，悬挂升降设备或防坠落装置的悬挑钢梁，称为（）

A.简支梁

B.框架梁

C.悬吊梁

D.挑梁

答案

参考答案：C

单项选择题

失代偿性呼吸性酸中毒的是

A．pH7.38，PaO250mmHg，PaCO240mmHg
B．pH7.30，PaO250mmHg，PaCO280mmHg
C．pH7.40，PaO260mmHg，PaCO265mmHg
D．pH7.35，PaO280mmHg，PaCO220mmHg
E．pH7.25，PaO270mmHg，PaCO210mmHg
上述血气分析结果符合
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单项选择题

Woman: I can't wait to see the look on Ted's face when he opens up our gift. Man: Neither can I. Question: What does the man mean

A．He already knows what Ted will say.

B．He doesn't have time to look at the gift.

C．He can't imagine what his friends got for him.

D．He's anxious to see Ted's reaction to the gift.
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