2012年，中共中央总书记中央军委主席习近平在广东考察工作时强调：要做到改革不停顿、开放不让步；改革开放要永无止境，停顿倒退没有出路。之所以这们说，是因为（ ）
①改革开放是当代中国发展进步的活力源泉，是我们党和人民大踏步赶上时代前进步伐的重要法宝
②改革开放能使我国迅速赶超发达国家
③改革开放是坚持和发展中国特色社会主义的必由之路
④改革开放是我国现阶段的中心工作。
| A．①④ | B．②③ | C．①② | D．①③ |
Dr. Peter Spence, ____ headmaster of the school, told us, “____ fifth of pupils here go to study at Oxford and Cambridge.”
| A．a; A | B．不填；The | C．the; The | D．不填; A |
After five hours’ drive, they reached ____ they thought was the place they had been dreaming of.
| A．what | B．that | C．which | D．where |
You must have read about Mark Twain long ago, ____?
| A．mustn’t you | B．haven’t you |
| C．didn’t you | D．needn’t you |
--- We need three single rooms for the first week in June.
--- ____. The hotel’s not busy then.
| A．Never mind | B．Don’t bother |
| C．No problem | D．It doesn’t matter |
Kate, run a bit faster, ____ you can catch up with all of your classmates.
| A．so | B．and | C．but | D．or |