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【单选题】
发动机电子控制式燃油喷射系统控制的喷油时间一般为( )。A.
1-2ms
B.
2-12ms
C.
10-20ms
D.
10-25ms
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反馈参考答案：
举一反三
【单选题】关节头呈滑车状,关节窝正中有失状方向的嵴,与关节头的沟相对应,这种关节
A.
为滑车关节
B.
有多个运动轴
C.
能做内收、外展运动
D.
可以双向滑动
E.
位于腕骨间
【单选题】关节头呈滑车状,关节窝正中有矢状方向的崎,与关节头的沟相对应,这种关节
A.
为滑车关节
B.
有多个运动轴
C.
能做内收、外展运动
D.
可以双向滑动
E.
位于腕骨间
【简答题】小菜蛾成虫对异硫氰酸酯类 和（ ）有明显趋性。
【单选题】Garage sales in the United States serve many purposes _____ cleaning out unwanted items and making money.
A.
besides
B.
except for
C.
except
D.
apart from
【判断题】Garage sales occur most frequently in urban areas, which also sell larger items like furniture and occasionally appliances.
A.
正确
B.
错误
【单选题】关节头星滑车状,关节窝正中有矢状方向的嵴,与关节头的沟相对应,这种关节
A.
为滑车关节
B.
有多个运动轴
C.
能做内收、外展运动
D.
可以双向滑动
E.
位于腕骨间
【单选题】Garage sales are held _____.
A.
once or twice every three months
B.
once or twice every year
C.
from time to time
D.
in January, May, June or July
【判断题】11 Garage sales occur
most frequently in urban areas, which also sell larger items like furniture and
occasionally appliances.
A.
正确
B.
错误
【单选题】Which of the following is TRUE about the garage sales?
A.
Only in spring and fall can people enjoy them.
B.
The goods orb display are all totally useless.
C.
All the goods are selling far below their true worth.
D.
One may buy a TV on a regular basis.
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