皮皮学，免费搜题
登录
搜题
【单选题】
发动机点火系点火过早的原因可能是( )。A.
分电器断电触点间隙太小
B.
分电器固定螺钉松动
C.
电压过高
D.
分电器断电触点间隙太大
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】阅读理解。 A young woman carrying a three-year-old child got on a bus. The conductor hurried to give her a warm welcome and then kindly asked the other passengers to make more room for the woman and her ch...
【单选题】Heart rate of 2-year-old child is
A.
60~70 times per minute
B.
80~90 times per minute
C.
100~ 120 times per minute
D.
130~140 times per minute
E.
150~160 times per minute
【单选题】The young man was ___ for giving his life to rescuing a five-year-old child.
A.
cited
B.
mentioned
C.
listed
D.
quoted
【单选题】Which number would you use to order a book for a 2-year-old child?
A.
0 7459 3892 2．
B.
0 7459 4056 0．
C.
0 7459 3952 X．
D.
0 7459 4578 3．
相关题目：