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【单选题】
下面几种叙述中,哪些是错误的?答案是( )。A.
在任何情况下,牙顶用粗实线表示,牙底用细实线表示
B.
画螺纹时,一般情况下尾表示出来
C.
在螺纹标记中都必须标出牙型、公称直径、螺距、旋向、螺纹公差、旋合长度
D.
螺纹大径用粗实线表示,小径用细实线表示
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反馈参考答案：
举一反三
【判断题】Square dancing can be very annoying and sometimes cause trouble because it leads to light pollution.
A.
正确
B.
错误
【简答题】监理工作的性质包括 性、 性、 性和 性。
【单选题】How did the teacher teach the students to think for themselves?
A.
She created a Thinking Environment for the students.
B.
She stated firmly that the students were intelligent.
C.
She elaborated how joyful it would be if we could think for ourselves.
D.
None of the mentioned.
【单选题】Which of the following is TRUE about Chinese square dancing?
A.
It is exclusively popular among elder women.
B.
It can be very annoying and sometimes cause trouble because it leads to light pollution.
C.
It is popular because it can help dancers harvest both health and happiness.
D.
The Chinese government has done little in response to the many complaints drawn by square dance.
【简答题】Square Dance ABC is an exciting new way to practice square dancing. Enjoy a fan, easy beginner’s square dance, with no experience needed. There are three different dances. The A, B and C dances can be...
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