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【单选题】
下列描述中属于缨翅目特征的有A.
体中至大型
B.
口器锉吸式;
C.
翅狭长,膜质透明,缘长,翅脉退化,最多2-3条纵脉;
D.
产卵器管状或锯状。
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【简答题】焊接的质量取决于焊接工艺、焊接材料及钢的焊接性能。
【单选题】Where can the man sign up for joining the mentor group?
A.
In the lecture hall.
B.
In Professor Green's office.
C.
In the dean's office.
D.
In the library.
【单选题】What does the librarian imply?
A.
The man can find a chart in an encyclopedia.
B.
The professor has explained the assignment clearly.
C.
The library has a very good reference section.
D.
The man should not change the assignment.
【简答题】1 Directions： You are to write an email to James Cook , a newly-arrived Australian professor , recommending some tourist attractions in your city . Please give reasons for your recommendation . You sh...
【单选题】Having (finished) his term paper (before the deadline), (it was delivered) to the professor (before) the class.
A.
finished
B.
before the deadline
C.
it was delivered
D.
before
【单选题】中国现代礼仪开始于
A.
“五四”运动
B.
义和团运动
C.
洋务运动
D.
太平天国运动
E.
鸦片战争
F.
: E
G.
程度:中
H.
:单选题
I.
、我国第一部记载“礼”的书籍出现于
J.
西周时期 K. 东周时期 L. 夏商时期
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