选择题:Sometimes I can’t help wondering what’s the matter with Tom. 题目分类:英语 题目类型:选择题 查看权限:VIP 题目内容: A.upsetsB.recognizesC.concernsD.Ignores 参考答案:
-What were you doing at nine last night? -__________. A.I was watching TV at that time.B.Yes, but I can’t afford the timeC.I did my homework.D.I am going t 分类:英语 题型:选择题 查看答案
在旁油路节流调速回路中,节流阀同流面积A增大时,执行元件的速度U将( )。 在旁油路节流调速回路中,节流阀同流面积A增大时,执行元件的速度U将( )。A.增大B.降低C.不变D.都可以 分类:英语 题型:选择题 查看答案