问题
单项选择题
通常一般医院实验室属生物安全几级实验室（）
A.一级
B.二级
C.三级
D.四级
答案
参考答案：B
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通常一般医院实验室属生物安全几级实验室（）
A.一级
B.二级
C.三级
D.四级
参考答案：B
| 选择下列句子完成下面的对话。 | |
Kate: The summer vacation is coming. ________(1) Alice: I am planning to go on a summer camp to Canada. I want to improve my English. Kate: That sounds great. ________(2) Alice: I'd like to visit the Niagara Falls, CN Tower and some other places of interest. Kate: Who will you go with? Alice: ________(3) Kate: How long will you stay there? Alice: ________(4) We will be back at the end of July. Kate: Have a good time! Alice: ________(5) |