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【单选题】
计量器具的标尺或分度一刻度间距所代表的量值,称之为( )。A.
标尺刻度间距
B.
标尺分度值
C.
标尺示值范围
D.
计量器具测量范围
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举一反三
【简答题】按两构件之间相对运动特征的不同,低副可分为 、 和 。
【简答题】Most of us feel upset if we miss just one meal, and if we tried to go
without food for l2 hours we would really be uncomfortable. But there are some
people who seem able to "fast" for very long peri...
【简答题】In
some cases, they feel they have no choice, either because there are not
enough suitable permanent jobs to apply for or because the competition
for those jobs is too fierce.
【单选题】Libraries develop with times. They have changed greatly since decades ago. ___4___ Some libraries have apps so you can see when your books are due back and even reserve books in some cases. There are ...
A.
Libraries help people learn.
B.
Libraries help educate the kids.
C.
They create a great sense of community.
D.
You can go in, settle down and read a book without being charged a penny.
E.
Most libraries now have computers and allow people to borrow CDs and DVDs.
F.
Libraries help us save money as we’re borrowing books rather than buying them.
G.
For others, particularly the homeless and people in poverty, a lifeline to the world.
【单选题】Analyze the following statement, and then choose one of the options that you think is best to use in academic writing:“As I've said many times … the data are really just at best suggestive. There have...
A.
Most credible evidence presently available suggests that this drug fails to assist patients suffering from coronavirus infection
B.
Maybe it works, maybe it doesn’t.
C.
Only heaven knows whether it works.
D.
It only works (sometimes) if you believe in it.
【单选题】给出如下代码: def fact(n): s=1 for i in range(1,n+1): s*=i return s 以下选项中描述错误的是
A.
fact(n)函数功能为求n的阶乘
B.
range()函数是Python内置函数
C.
s是局部变量
D.
代码中n是可选参数
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