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【判断题】
满足特定要求的控制系统，主要有比值控制系统、前馈控制系统、分程控制系统、选择性控制系统。 ( )A.
正确
B.
错误
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举一反三
【单选题】What can be used as a material to pave roads（）
A.
The coal by-product.
B.
Additive.
C.
Fine-as-powder fly ash.
D.
Both B and
【单选题】When you ____________a friend that you haven’t seen for a long time and have a good chat with him, you may fell vey happy and delighted.
A.
be serious about
B.
make sense
C.
run into
D.
distinguish between
E.
thrust upon
F.
be attracted to
G.
get lost
H.
feel obliged to
I.
look upon as
J.
be allergic to
【单选题】We should consider what use can be made ______ such a material(材料).
A.
of
B.
from
C.
up
D.
in
【简答题】填空题 ( 在每题的空格中填 上正确答案。错填、不填均无分。本大题共10小题,每小题2分,共10分) 1. 按承载情况的不同, 直轴可分为 、 、和 三种。 2 . 凸轮机构是由 、 、 三个基本构件组成的。 3 . 在曲柄摇杆机构中,当曲柄等速转动时,摇杆往复摆动的平均速度不同的运动特性称为 。 4. 在蜗轮齿数不变的情况下,蜗杆的头数越少,则传动比就越 。 5. 标准直齿圆柱齿轮的特点是 和 ...
【简答题】三、填空题(本大题共6小题，每小题1分，共6分) 请在每小题的空格中填上正确答案。错填、不填均无分。 26.利润总额包括销售利润、投资收益和_____。
【多选题】What kind of supporting material can be chosen while prepare for a presentation?
A.
video segments
B.
pictures
C.
diagrams
D.
all of the above
【简答题】 (A) A: Hello, Susan! 11 B: hello, Amy! I haven’t seen you since last week. A: That’s right. 12 B: Fine, thank you. and you? A: I’m ok. 13 B: They are all quite well, thank you. 14 A: Yes, I went the...
【多选题】交际应用1(共 10小题,每小题2分,共20分) (A) A: Hello, Susan! 11 B: hello, Amy! I haven’t seen you since last week. A: That’s right. 12 B: Fine, thank you. and you? A: I’m ok. 13 B: They are all quite well, thank you...
A.
By the way, how are your parents?
B.
What do you think of your new English teacher?
C.
When did you go there?
D.
I’m glad to see you.
E.
Is it true that you are in a new school?
F.
How do you like your new school?
G.
How are you?
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