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【单选题】
4型罗经,在纬度20°处启动时到稳定指北需3小时。若启动状态不变,在纬度50°处达到稳定指北的时间()。
A.
大于3小时
B.
小于3小时
C.
仍为3小时
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参考答案:
举一反三
【单选题】下面关于组合逻辑控制器正确的描述是:___。
A.
组合逻辑控制器是由软件实现的,所以比较灵活
B.
组合逻辑控制器是由硬件实现的,因此速度很快
C.
组合逻辑控制器是由软件实现的,所以容易修改
D.
组合逻辑控制器是一系列微指令实现的,因此体积很小
【单选题】China has sent several pandas to some foreign governments as gifts.
A.
Y
B.
N
C.
NG
【简答题】Bill, Frank and Dave were three brothers. Every year they sent their mother expensive gifts on her birthday,. They liked to show her how rich they were. The eldest brother. Bill, had a lot of money an...
【简答题】Gifts tighten personal relationships and provide a means of communication between loved ones. People say that a gift lets the recipient(接受者) know we are thinking of them, and that we want to make the ...
【单选题】The gifts he brought from Britain()last week.
A.
sent out(送出)
B.
were sent out
C.
have sent out
【单选题】基本偏差代号为 H 孔与基本偏差代号为 a—h 的轴可以构成( )。
A.
间隙配合
B.
间隙或过渡配合
C.
过渡配合
D.
过盈配合
【判断题】Gifts sent between close friends are usually practical or something needed.
A.
正确
B.
错误
【单选题】下列四种土中,渗透系数K最大的是( )。
A.
黄土
B.
黏土
C.
粉砂
D.
中砂
【简答题】Gifts tighten personal relationships and provide a means of communication between loved ones. People say that a gift lets the recipient(接受者) know we are thinking of them, and that we want to make the ...
【简答题】Bill ,Frank and Dave were brothers. Every year, they sent their mother expensive gifts on her birthday .They liked to show her how rich and successful they were. The eldest brother ,Bill, had a lot of...
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