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【单选题】
某患者给予氧气疗法,其流量表指示流量为SL/min,该患者吸人的氧浓度为( )。A.
26%
B.
30%
C.
37%
D.
49%
E.
41%
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反馈参考答案：
举一反三
【简答题】What was the subject of the book that the writer was planning to write?
【单选题】I don't know ________, but I guess he may be a teacher. [ ]
A.
what is he
B.
how he does it
C.
what he does
D.
what does he do
【单选题】What was the subject of the lecture?
A.
The solar system.
B.
Two theories about the universe.
C.
The temperature of the Moon.
D.
The natural laws.
【单选题】－Hello, May I speak to Daniel? －__________.
A.
Sorry, he’s not at home. Who’re you?
B.
Sorry, he’s not at home. Who’s that speaking, please?
C.
Sorry, you can’t.
D.
Sorry, you mustn’t.
【多选题】图集16G101-2（现浇混凝土板式楼梯）中，板式楼梯梯板的类型包括（ ）。
A.
7 种不考虑抗震的类型
B.
4 种不考虑抗震的类型
C.
5 种考虑抗震构造措施的类型
D.
1 种参与抗震计算的类型
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