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【单选题】
关于船舶在渔区的航行和避让,下列说法不正确的是: Ⅰ、在渔船密集的区域，安全航速行驶 Ⅱ、按照海员通常做法和良好要求，机动船应避让渔区内所有的网具Ⅲ、机动船在鱼区行驶应给所有的渔船让路，包括不在从事捕鱼者A.
Ⅰ
B.
Ⅰ、Ⅱ
C.
Ⅱ、Ⅲ
D.
Ⅰ、Ⅱ、Ⅲ
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【多选题】We usually measure the processing speed in today's computer according to the _____.
A.
thousandth of a second
B.
millionth of a second
C.
billionth of a second
D.
trillionth of a second
【多选题】We usually measure the processing speed in today ’ s computer according to the _________.
A.
Thousandth of a second
B.
Millionth of a second
C.
Billionth of a second
D.
Trillionth of a second
【简答题】We usually measure the processing speed in today’s computer according to theA. thousandth
of a second B. millionth
of a second C. billionth
of a second D. trillionth of a second
【判断题】The processing speed of super computers may be thousands of times faster than any other types of computers.
A.
正确
B.
错误
【简答题】例如: x=abc y="abc" y =abc 则在该三条变量的赋值中,各表达式的输出结果分别是:( )、( )、( ) 注:若没有输出结果,请在空格内输入“没有输出”
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