皮皮学，免费搜题
登录
搜题
【单选题】
柴油机在进气行程中，进入气缸的是A.
新鲜空气
B.
纯燃油
C.
氧气
D.
可燃混合气
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】选词填空。 Happy for hug what move I see show Asia want across when person say word When I was growing up in America, my family often hugged each other. Hugging was a way for u...
【单选题】I often laugh when I see my grandma learning pop songs. But she says, 'One is never old to learn'. [ ]
A.
too
B.
so
C.
very
D.
quite
【单选题】I often see Tom on the playground. When I passed the playground yesterday, I saw him .
A.
play; playing
C.
to play; play C. playing; to play C. playing; play
【单选题】I ____ see films when I was a child because I lived in a mountain village far away. [ ]
A.
did use to
B.
used not to
C.
didn't used to
D.
wasn't used to
相关题目：