Many scientists believe that global warming, if , will cause extreme climate changes this century.
| A．not stopping | B．no stop | C．not stopped | D．without stop |
People say, “Guilin’s scenery is superb in the world.” It was not until I visited the place that I found it really worthy of the _______.
| A．imagination | B．status | C．reputation | D．assessment |
—Have you heard of _______ death of Nelson Mandela?
—Yes. It is indeed _______ loss to the world.
| A．the; a | B．a; the | C．the; / | D．a; / |
一There’s a new movie on at the weekends．Shall we go on Saturday or Sunday？
一＿＿＿＿.‑. Either day is OK for me．
| A．Forget it | B．Come off it | C．You’re kidding | D．I don’t mind |
An underwater hotel has opened in Africa，with its rooms＿on the bottom of a three－level floating building．
| A．to sit | B．sit | C．sitting | D．sat |
Some scientists say that the tomato is technically a fruit，＿＿it is eaten as a vegetable．
| A．although | B．because | C．as if | D．as long as |