Unlike watching TV, reading is a highly active process________it requires attent

题型：陕西省同步题难度：来源：

Unlike watching TV, reading is a highly active process________it requires attention as well as
memory and imagination.[     ]
A. until
B. but
C. unless
D. for

答案

举一反三

Experts are trying to work out a plan to deal with the problems caused by global warming________
it is too late.[      ]
A. when
B. if
C. before
D. until

题型：陕西省同步题难度：| 查看答案

_____ he can pass the entrance examination is quite uncertain.  [     ]
A. If
B. Whether
C. That
D. What

题型：甘肃省同步题难度：| 查看答案

_____ days went by, he didn"t succeed in anything he had planned.  [     ]
A. With
B. When
C. As
D. While

题型：甘肃省同步题难度：| 查看答案

It was ____ the ambulance came ____ to the hospital.[ ]
A. until; that he got sent
B. until; did he get sent
C. not until; that the boy was sent
D. not until; did he got sent

题型：甘肃省同步题难度：| 查看答案

Whoever leaves the room last must make sure________all the windows are shut.[     ]
A．that if
B．whether
C．if
D．that

题型：同步题难度：| 查看答案