第二部分: 英语知识运用 (共两节, 满分35分)
第一节：单项选择 (共15小题；每小题1分, 满分15分)
请认真阅读下面各题, 从题中所给的A、B、C、D四个选项中, 选出最佳选项, 并在答题纸上将该项涂黑。
Every possible means ________ tried but the problem remains unsolved.
A. has been             B. have been           C. are                   D. is

— How is the test that you took yesterday?
— Unfortunately, not even one of the hundred students who took the test ______ passed.

— Hey! Everyone in the office was at the dinner party in honor of Mr. Charles except you. What happened?
— I ______ after Mike, my colleague. He was badly ill.

In this experiment, they are wakened several times during the night, and asked to report what they _____. 

In this institution, a medal, together with a prize of a certain sum of money, ________ does best in science and technology every two years.

Some experts demanded that children _______ time for sleep and play.

Some of the heat near the surface of the earth _____  electricity.

After graduation, he was employed by a famous company and ____ there ever since.

–Could you meet me at the airport?
--I’d like to, but I’m afraid I_________ a very important meeting when you return.

Nowadays with the development of science, more new technology_________to the field of IT.