二、英语知识运用（共两节，满分45分）
第一节 单项填空（共15小题；每小题1分，满分15分）
从A．B．C．D四个选项中，选出可以填入空白处的最佳选项。并在答题卡上将该项的标号涂黑。
It was not until they came to the very spot______how serious the situation was.
A．did they realize B．that they realized
C．when they realized D．where did they realize
They were having an argument about __________ turn it was to do the cooking.
| A．which | B．what | C．whose | D．who |
His son has __________ the running of his company, including six London theatres.
| A．taken up | B．taken off | C．taken on | D．taken over |
The new road is __________ of the old one.
| A．more than three times the length |
| B．three times more than the length |
| C．more than the length |
| D．more three times than the length |
The possibility __________ pleasant smells might reduce pain has recently been suggested by new research.
| A．where | B．what | C．which | D．that |
Thanks to _____ help from his teachers and classmates, he has made _______ rapid progress in his studies.
| A．不填；a | B．the; 不填 | C．the; a | D．a; the |