如图所示,竖直墙面与水平地面均光滑且绝缘,两个带有同种电荷的小球A、B分别处于竖直墙面和水平地面上,且处于同一竖直平面内,若用图示方向的水平推力F作用于小球B,则两球静止于图示位置,如果将小球B向左推动少许,待两球重新达到平衡时,则两个小球的受力情况与原来相比( )A.推力F将增大B.竖直墙面对小球A的弹力增大C.地面对小球B的弹力一定不变D.两个小球之间的距离增大
Cathy checked her paper so that she could get good grades this time.( )
careful enough
enough careful
enough carefully
carefully enough
My bike is broken. I will have it tomorrow morning.( )
fix up
fixed up
repairing
to repair
I'd like to buy a new oven.
The ones over there sell well. You can one by one to have a try.( )
turn on it
turn it on
turn on them
turn them on
people prefer HUAWEI phones, and about of them are adults.( )
The number of; four﹣fifths
A number of; four﹣fifth
A number of; four﹣fifths
The number of; four﹣five
Did you watch the first match of the Russian World Cup?
Of course! We were so to watch the match.( )
exciting; excited
excited; excited
exciting; exciting
excited; exciting