YB45包装机当机器刚开始打开时，操作面板上的注胶按钮未按下则显

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问题单项选择题

YB45包装机当机器刚开始打开时，操作面板上的注胶按钮未按下则显示“盒片粘胶（）”故障。

A.注胶启用

B.注胶未启用

C.注入量不规则

D.储胶水缸添加中

答案

参考答案：A

填空题

词汇运用

1．You need warm clothes to ________(保护) you against cold.

2．It is impossible to make up the ________(失去的) time.

3．I am afraid you can't sit here. sir. This seat is ________(预订的)．

4．Famers used to ________(捕猎) us and the rhinos.

5．He ________(申请) for a job as an English teacher.

6．I wrote a letter ________(建议) that he should carry out the plan at once.

7．It ________(包含) a powerful drug which affects mosquitoes.

8．The new government will come to ________(掌权) next month.

9．Our city will have ________(有效的) measures to stop the pollution.

10．The dog just ________(咬) me in the leg.

单项选择题

与VOR/MB接收机相连的天线中，有功率分配器的天线是（）

A.指点信标天线

B.垂尾顶部的VOR天线

C.雷达罩内的LOC天线

D.雷达罩内的LOC天线和垂尾顶部的VOR天线