皮皮学，免费搜题
登录
搜题
【单选题】
已知本小组直销投标价格为4.5，价格分为60分，则价格分为40分的小组投标价格为（）。A.
4.5
B.
6
C.
6.75
D.
9
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】In a two-stroke engine the camshaft rotates at____ the engine rotational speed.
A.
half
B.
twice
C.
the same speed as
D.
four times
【单选题】At least ( ) cylinders in a two-stroke engine will be configured to ensure thatthe engine can be started with crankshaft at whatever position
A.
4
B.
6
C.
12
【单选题】Each cylinder in a two stroke cycle engine experiences combustion（）.
A.
once each crankshaft revolution
B.
twice each crankshaft revolution
C.
every other crankshaft revolution
D.
every fourth stroke
【单选题】In a two-stroke engine, there are always a series of openings known as , and in some circumstances, there are also openings known as , in the part of the cylinder liner.
A.
scavenging air ports; exhaust ports
B.
inlet ports; scavenging air ports
C.
scavenging air ports; inlet ports
D.
exhaust ports; inlet ports
【单选题】My grandfather is such a forgetful person that he has to _______ many things, even his daily meals. [ ]
A.
be remembered by
B.
be reminded of
C.
be memorized
D.
be reminded
【单选题】In two-stroke engine the crankshaft is connected with ____ by means of the connecting rod.
A.
the stuffing box
B.
the piston
C.
the crosshead
D.
guide plate
相关题目：
参考解析：
知识点：
题目纠错 0
发布
