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问题 判断题

部队建设要以战斗力为标准，逐步取消农副业生产和加工.

答案

参考答案：错

问答题
根据所给图画回答下列问题。
1. What does Jack like to do?
                                                		                                           
2. What does Tom like to do?
                                                		                                         
3. What do they like to do?
                                                		                                        
4. What does Sam like to do? 
                                               		                                              
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选择题

如图表示中和滴定时某同学的一个操作，下列叙述正确的是

A．这是一个错误操作

B．该操作是为了排除滴定管内气泡

C．该操作是为了防止滴定管漏液

D．该操作是为了调节滴定管内液体的液面高低
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