中国人民银行各分支机构和中国人民银行授权的鉴定机构鉴定货币真伪时,应当至少有()名鉴定人员同时参加,并作出鉴定结论。
A.1
B.2
C.3
D.4
参考答案:B
请根据情景选择正确的句子。
1. 你想帮妈妈洗衣服,你这样说:[ ]
A. Shall I wash the clothes for you, Mum?
B. Am I going to wash the clothes, Mum?
2. Tom生病了,你动员同学们去看他,你这样说: [ ]
A. Will you see Tom?
B. Shall we go to see Tom?
3. 你想请别人跟你一起去动物园,你这样说: [ ]
A. Will you go to the library?
B. Shall we go to the zoo?
4. 作业写完了,你想玩一会儿电脑,你这样征求妈妈的意见:[ ]
A. Shall I play computer games for a minute, Mum?
B. Will you play computer games for a minute, Mum?
5. 姐姐和你一起给妈妈买了一个节日礼物,姐姐让你先别让妈妈知道,你这样说:[ ]
A. I'll let her know.
B. I won't let her know.
压力钢管的供水方式有()。
A.单元供水
B.分组供水
C.联合供水
D.集体供水