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【简答题】
尺寸起止符号是用来表明测量起止的终端符号，一般用短斜线绘制，长（），与尺寸界线成顺时针（） 。半径、（）、（）、（）的尺寸起止符号用箭头表示。
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举一反三
【简答题】A．Use beautiful words. B．Use words at random. C．Use words with passion and emotion. D．Use words with care and accuracy.
【单选题】People from the West like to use these words in cases ____ some people in Asia may not think it necessary.
A.
which
B.
that
C.
what
D.
Where
【简答题】Write down some words with the prefix "de"
【单选题】We are often cheated by some words in that______
A.
their dominant meanings have not been determined
B.
sometimes they mean something different from their dominant meanings
C.
our natural impulse makes a mistake
D.
the dominant sense of a word is not accurate in our minds
【简答题】In a coherent piece of writing, words and clauses are tied together in some ways. Use the following text to discuss what are some of the ways of tying together words and clauses to make a coherent pie...
【单选题】Some words are hard to ______ because they have many different uses.
A.
express
B.
explain
C.
define
D.
describe
【单选题】---Could I use your dictionary to look up some new words ? ---OK, ________.
A.
that’s all right
B.
that’s right
C.
it’s a pleasure
D.
help yourself
【简答题】当MCS-51引脚 信号有效时,表示从P0口稳定地送出了低8位地址.
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