一到英语选择The black box is a necessary device on an airplane,whi
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一到英语选择
The black box is a necessary device on an airplane,which records its speed,direction and whether everything on the plane ____ normally.
A.will function B.are functioned
C.is functioning D.has functioned
The black box is a necessary device on an airplane,which records its speed,direction and whether everything on the plane ____ normally.
A.will function B.are functioned
C.is functioning D.has functioned
C 飞机上黑匣子是必需的,它能记录飞机的速度,方向以及飞机上的一切是否运作正常.is functioning 表示现在进行时,表示一种状态,现在进行的状态.
will function 是将来时.are functioned 是被动形式,放在这里不适合.has functioned 是完成时.表示过去的状态.在这里也不适合.
有时候用排除法也是很好用的.
will function 是将来时.are functioned 是被动形式,放在这里不适合.has functioned 是完成时.表示过去的状态.在这里也不适合.
有时候用排除法也是很好用的.
there is a box on the table.ln the box,there is an apple.the
五.选择填空1.There is __oranges on the table. a.an b.some c.a box
I don't like the one on the desk.( )the one in the box?A.Whi
AN airplane is faster ( ) a train
there is a pen in my pencil-box.there is an apple on the tab
there is a ruler on the pencil box .there is an english book
把There is a ruler on the pencil-box.There is an English book
there is a ruler on the pencil-box.thereis an English book u
初一上学期英语选择⒍____ teacher on the black bike is ____ English tea
The box is on the desk.-----yes,the desk is ( )the box.A.ON
why is a fountain pen leak in an airplane?
连词成句.a,airplane,is,train,than,slower,an