单项选择题

给下列进行结构配对
安静地
ānjìnɡ de
A、出去了
chūqu le
B、写汉字
xiě Hànzì
C、考试
kǎoshì
D、吃一顿
chī yídùn
E、打太极拳
dǎ tàijíquán
F、回家了
huíjiā le
G、给他号脉
ɡěi tā hàomài

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由HPV感染引起的癌症中，宫颈癌首当其冲，占了83%。（）

答案：正确

单项选择题

The first part of the process description selection.
Orders are disrupted, and you should select the right one.
() Rough turning outer circle φ 57 and end face A, rough turning outer circle φ 45 and end face B
() Rough turning outer circle φ 30 and end face C, rough turning outer circle φ 22 and end face D
() Milling end face and drilling center hole
() Forming turning R2.5
() Finish turning outer circle φ 56.4 and end face A, finishing turning outer circle φ 44.4 and end face B, finishing turning outer circle φ 28.4 and end face C, threadING M20 × 1.5-6h, chamfering 1.5 × 45 °

A．3 4 1 2 5
B．2 3 1 5 4
C．2 4 5 1 3
D．2 4 5 3 1