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【单选题】
患者，女，42岁，因严重创伤后并发急性呼吸衰竭，作气管插管，呼吸机辅助呼吸。对症处理措施，正确的是A.
吸入含1％CO2的氧气
B.
吸入含3％CO2的氧气
C.
吸入含5％CO2的氧气
D.
吸入含7％CO2的氧气
E.
吸入含10％CO2的氧气
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反馈参考答案：
举一反三
【单选题】- How’s your fish and chips? -- ________
A.
ok
B.
that's right
C.
fine, thanks you
D.
Not bad
【单选题】—____ —Rice and fish, please.
A.
How are you?
B.
May I take your order?
C.
Help yourself!
【单选题】听力原文：M: How's your new job going? W: Not so well. I feel like a fish out of water in that job. Q: What does the woman mean? (13)
A.
She doesn't like the fishing industry.
B.
She is very tired.
C.
The fish is not fresh enough.
D.
She feels uncomfortable at work.
【多选题】有关索引的说法错误的是___________。
A.
索引的目的是为增加数据操作的速度
B.
索引是数据库内部使用的对象
C.
索引建立得太多，会降低数据增加删除修改速度
D.
只能为一个字段建立索引
【单选题】听力原文：M: How's your new job going? W: well, I feel like a fish out of water in that job. Q: What can we infer from this conversation? (19)
A.
She doesn't like the fishing industry.
B.
The fish is not fresh enough.
C.
She is doing well.
D.
She feels uncomfortable at work.
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