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【单选题】
切削用量三要素包括A.
切削速度、切削深度、进给量
B.
切削速度、切削厚度、进给量
C.
切削速度、切削宽度、进给量
D.
切削厚度、切削宽度、进给量
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【单选题】Aboard a vessel, dividing the sum of the vertical moments by total weight yields the vessel’s_____.
A.
height of the center of gravity
B.
vertical moments
C.
righting moments
D.
inclining moments
【单选题】Man: Friday is a public holiday. Shall we spend our weekend in Kunming? We could leave on Thursday night. Woman: I'd rather go on Friday. My uncle will drop in on Thursday evening. I haven't met him f...
A.
She thinks she will go to her uncle's first.
B.
She'll have a visitor and can't leave on Thursday.
C.
She will have an appointment with her friend.
D.
She will be happy to go with the man on Thursday.
【单选题】The days are gone ________ we could leave our door unlocked at night.
A.
where
B.
which
C.
when
D.
while
【单选题】In those hard days , we could not leave behind___________came to us for help.
A.
who
B.
whomever
C.
no matter who
D.
whoever
【简答题】The general rule is to write the horizontal stroke before the vertical stroke. But when the vertical is to the left of the horizontal, the vertical _______the horizontal, e.g. 上 and 仁.
【单选题】Which of the following describes the typical gateway arch?
A.
The vertical lines come together at the top.
B.
The vertical lines converge in the middle.
C.
The base is smaller than the top.
D.
The slope of each shoulder is different.
【单选题】They will leave for Paris _____ three o’clock in the afternoon and we’ll fly to London _______ a few weeks.
A.
after, in
B.
in, after
C.
on, in
D.
after, after
【单选题】—Could you tell me _____? —Certainly. At 8 o’clock. [ ]
A.
when will the train to Beijing leave
B.
when the train to Beijing would leave
C.
when the train to Beijing left
D.
when the train to Beijing will leave
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