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【单选题】
下列选项中，不属于发动机电控汽油喷射系统组成部分的是：（）A.
空气供给系统
B.
燃油供给系统
C.
电子控制系统
D.
废气排放系统
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【判断题】Scuba diving seems to be the only activity that appeals to both Bob and Gloria.
A.
正确
B.
错误
【简答题】短文改错。 Not too long ago, people can't go scuba diving on Hainan Island, or anywhere else. This were because there was no machine allowing person to breathe under water for long time. In 1943 Jacques C...
【简答题】Why couldn’t Ivan take his kids scuba diving?
【简答题】短文改错。 Not too long ago, people can't go scuba diving on Hainan Island, or anywhere else. This were because there was no machine allowing a person breathe under water for long time. In 1943 Jacques Co...
【简答题】发酵过程受到噬菌体的污染，使发酵失败，得不到产物的过程叫“（ ）”。
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