I want_____ the classroom. Could you ___

题型:选择题

问题:

I want _____ the classroom. Could you _____ me, please?[ ]

A. clean; help

B. to clean; help

C. clean; to help

D. to clean; to help

考点:不定式实义动词
题型:选择题

With a lot of difficult problems ________, the newly-elected president is going to have a hard time.

A.settled

B.settling

C.to settle

D.to be settled

题型:选择题

为避免粘固时邻接正常,使用一段时间后出现的邻接异常和食物嵌塞,应注意()

A.修复体轴面外形

B.调磨对充填式牙尖

C.修复时控制力大小及方向

D.磨出食物排溢沟

E.修改过锐边缘嵴

题型:选择题

烟草黑胫病危害严重的地区,如以保护为主或在零星发病时,可用25﹪甲霜灵可湿性粉剂()倍液喷雾预防,每20-25天喷药一次。以治疗为主时,可用25﹪甲霜灵可湿性粉剂500-700倍液进行喷雾,每7-10天喷药一次,共2-3次。

A、700-1000

B、400-500

C、500-700

D、400-1000

题型:选择题

Don't ___     fun     __ me just because I am shorter than you.        [ ]

A. make; of      

B. play; for    

C. make; on    

D. play; on

题型:选择题

白天有平流雾移到沿海机场上,什么原因会促使平流雾消散或抬升而形成很低的层状云().

A.地表辐射

B.下垫面干燥

C.地面风大于或等于8米/秒

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