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【单选题】
不能通过手锤敲击的方法在金属表面画线或作标记的划线工具是:( )A.
销冲
B.
针冲
C.
划针
D.
圆规
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反馈参考答案：
举一反三
【单选题】According to the passage, on-the-job smoking affects an employee's performance in the office in that______.
A.
he can't concentrate on what he is doing while smoking
B.
he often goes away from his desk to smoke in the break-room
C.
he often asks for sick leave as a result of too much smoking
D.
he takes a rest from time to time because of eye irritation
【单选题】A Societies all over the world name places in similar ways. Quite often there is no official naming ceremony but places tend to be called names as points of reference by people. Then an organized body...
A.
the government is usually the first to name a place
B.
many places tend to have more than one name
C.
a ceremony will be held when a place is named
D.
people prefer the place names given by the government
【单选题】Wild Bill Donovan would have loved the Internet. The American spymaster who built the Office of Strategic Services in the World War II and later laid the roots for the CIA was fascinated with informat...
A.
received support from fans like Donovan
B.
remolded the intelligence services
C.
restored many common pastimes
D.
revived spying as a profession
【简答题】A．Because he is the friend of the manager in that hotel. B．Because he is the local officer. C．Because he is a local resident. D．Because he has just lost his job.
【简答题】库存现金限额由银行核定，一般不超过企业（ ）的正常开支需求量。
【单选题】普通车床上采用的螺旋传动属于( )
A.
螺母固定，螺杆转动且移动
B.
螺杆固定，螺母转动且移动
C.
螺杆原位转动，螺母作直线移动
D.
螺母原位转动、螺杆作直线移动
【单选题】C51的复位方式是怎样的
A.
必须在RST引脚上接1个以上机器周期高电平
B.
必须在RST引脚上接2个以上时钟周期高电平
C.
必须在RST引脚上接1个以上时钟周期高电平
D.
必须在RST引脚上接2个以上机器周期高电平
【单选题】GpioDataRegs.GPAPUD.bit.GPIO11=1; 在CCS中,上述语句的作用是: ( )
A.
将GPIO11设置为输入
B.
将GPIO11设置为输出
C.
GPIO11上拉电阻有效
D.
GPIO11上拉电阻无效
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