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问题 单项选择题

在整个加压过程中，应缓慢升压，升至该热力管道试验压力的（），进行一次全部检查。

A．1/4

B．1/3

C．1/2

D．1/5

答案

参考答案：A

补全对话，情景问答
Look, read and fill in the blanks. (看图补全对话)
1. What are you doing?
                                  

2. Is his birthday in July?
                                            
                     
3. Does he have any presents?
                                    
                            
4. What's the date today?
                                               
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单项选择题

出口化妆品由（）实施检验，出境口岸检验检疫机构查验放行。

A．进境口岸检验机构

B．产地检验机构

C．出境口岸检验机构

D．到达地检验机构
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