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【多选题】
一对渐开线直齿圆柱齿轮若能正确啮合,则它们的( )必须相等。A.
宽度
B.
直径
C.
压力角
D.
模数
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举一反三
【单选题】What happened to the man's Chinese teacher?
A.
His Chinese teacher was sick.
B.
His Chinese teacher was busy.
C.
His Chinese teacher was bad.
【单选题】Which statement is not true about Catherine and her students in the movie?
A.
The students were hardworking.
B.
She needed to teach them out of the textbooks.
C.
The students were hostile towards Catherine.
D.
Well-prepared students could be a little bit intimidating.
【单选题】—He isn’t a teacher and his brother isn’t a teacher, either. —You mean neither he nor his brother . a teacher, right?
A.
is
B.
be
C.
are
D.
was
【单选题】Which statement is NOT true about the Wellesley girls in the movie clips?
A.
They have original, independent thinking.
B.
They are used to reciting comments from the textbooks.
C.
They do their homework well within the syllabus.
D.
They are not used to challenging critics' ideas.
【单选题】The movie is about a true story ______ happened in Tang Shan in 1976.
A.
where
B.
which
C.
what
D.
when
【单选题】A) A math teacher and his colleague. B) A teacher and his student. C) A student and his classmate. D) A librarian and a student.
A.
A math teacher and his colleague.
B.
A teacher and his student.
C.
A student and his classmate.
D.
A librarian and a student.
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