A helicopter is able to________and land

题型:选择题

问题:

A helicopter is able to________and land straight up and down. [ ]

A. take away    

B. take on

C. take up  

D. take off

考点:动词短语
题型:选择题
下面是你的下周日程安排,你的朋友Andy约你下周去拜访他。发一封e-mail,告知你不能去的理由。(开头和结尾已给出),词数60—80词。
Sunday
go to see my grandparents
Monday
go to the doctor
Tuesday
Wednesday
study for mid-term exam (期中考)
Thursday
go fishing with my friends
Friday
go to the movies
Saturday
practice the piano
Dear Andy,
Thank______________________________________________________________________
                                                                            
                                                                            
                                                                            
Yours
Wang Ming
题型:选择题

酮糖(ketoses)

题型:选择题

越王勾践剑剑把底部有多少个同心圆()

A、11.0

B、12.0

C、13.0

D、14.0

题型:选择题

韶山4改型电力机车牵引装置中的压盖为一个呈碗形的容器,底部开有孔,以便牵引叉头穿过,该件为铸件,材料为()构成.

A.ZG230-440

B.ZG230-450

C.ZG230-430

D.ZG230-420

题型:选择题

具有清热定惊、平喘、通络利尿功效的药物是()

A.地龙

B.全蝎

C.蜈蚣

D.钩藤

E.僵蚕

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