马达法辛烷值表示发动机（）时汽油抗爆性，研究法辛烷值表示发动_爱下问搜题

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问题填空题

马达法辛烷值表示发动机（）时汽油抗爆性，研究法辛烷值表示发动机（）时汽油抗爆性。

答案

参考答案：转速高、转速低

完形填空

完形填空。

Amy 1 a nice girl．She 2 from Shanghai．She is 14．She 3 in a middle schoo1．She 4 up at six every 5 ．She
enjoys _6．She is a clever girl．She makes model ships very 7 ． 8 school,she 9 home． She often 10 her
homework at home．

( )1．A．am
( )2．A．come
( )3．A．study
( )4．A．get
( )5．A．morning
( )6．A．singing
( )7．A．good
( )8．A．At
( )9．A．go
( )10.A,do

B．are
B．comes
B．studys
B．gets
B．afternoon
B．sing
B．well
B．After
B．goes
B．doing

C．is
C．1ire
C．studies
C．getting
C．evening
C．sings
C．hard
C．In
C．is go
C. does

D．be
D．1ires
D．studying
D．geting
D．night
D．to sing
D．poor
D．On
D．going
D makes

单项选择题

先天性肛门直肠畸形分型以下面哪一项为标准()

A．内括约肌

B．外括约肌

C．直肠尾骨肌

D．直肠盲端与皮肤的距离

E．耻尾线