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【单选题】
Meetings are very four or five weeks, _____.A.
although not everyone can attend
B.
because everyone gets busy during Christmas and other holidays
C.
and there are ten attendants in all
D.
so one member who has moved away can rarely attend
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【判断题】When using DTFT for spectral analysis of【图片】,If the time domain window is not long enough,you will not be able to distinguish the frequencies f1 and f2.
A.
正确
B.
错误
【单选题】X6132型万能铣床线路导线与端子连接时，导线接入接线端子，首先根据实际需要剥切出连接长度，( )，然后，套上标号套管，再与接线端子可靠地连接。
A.
除锈和清除杂物
B.
测量接线长度
C.
浸锡
D.
恢复绝缘
【单选题】What does the word “knack” most likely mean in Paragraph One?
A.
“special skill”
B.
“difficult quiz”
C.
“convenient device”
D.
“good advice”
【单选题】What does the word 'capillaries' in paragraph 2 mean?
A.
One of the minute blood vessels that connect arterioles.
B.
One of the main blood vessels that connect venules.
C.
One of the main blood vessels that connect arterioles.
D.
One of the minute blood vessels that connect arterioles and venules.
【简答题】若由程序设定PSW中的RS1、RS0=01，则工作寄存器R0~R7的直接地址为（）
【单选题】What does the word transformed mean? Choose one answer.
A.
changed completely, usually an improvement
B.
run down the rocks
C.
fetched the water
D.
got rid of the human waste
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