问题
多项选择题
以下容易引起变态反应的有()
A．聚乙烯二醇
B．丙二醇
C．聚氧乙基代蓖麻油
D．苯甲醇
E．对羟苯甲酸酯
答案
参考答案：C, E
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以下容易引起变态反应的有()
A．聚乙烯二醇
B．丙二醇
C．聚氧乙基代蓖麻油
D．苯甲醇
E．对羟苯甲酸酯
参考答案：C, E
| 根据对话内容，从方框内选择恰当的句子填入对话相应的空白处，使对话完整，合乎情景 （有两个多余选项)。 | |
| A: Hi, Li Lei. Where did you go last month? B: Oh. I went to Guangzhou for vacation. A: (1)____________ B: That's great! (2)____________ A: (3)____________ Just for vacation? B: I went there to look for a job.I want to be a flight attendant. A: (4)____________ B: I'm not sure yet. I need to wait the decision from the company. If I want to get the job, I need to speak English Well. A: Oh, don't worry. (5)____________ I think you can get the job. B: Thank you. I hope so.
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