【单选题】The tower remains intacteven after two hundred years
【单选题】_______ caused the accident remains unknown.
【判断题】血液在心脏中的流动是按着一定的规律和方向的。()
【单选题】It remains unknown ________ the peace talk between the two countries is going to lead. [ ]
【简答题】材料的耐水性用( )表示,其值越大则材料的耐水性愈( )。
【单选题】It remains unknown whether the rate of cell turnover in diseased hearts____________. 查看材料
C.
is the same as that in healthy hearts
D.
is high enough to replace cells faster than they're dying off
【单选题】In the sentence 'This beautiful village remains unknown to the rest of the world', the italicized word is
【单选题】_____ remains unknown to all.
A.
Why John committed suicide
B.
Why did John commit suicide
C.
Whom committed suicide
D.
When John did commit suicide
【单选题】It remains unknown _____the peace talk between the two countries is going to lead.