Monkeys in the zoo started to show the flu _______ since last Monday and altogether 20 have died.
| A．symbols | B．signs |
| C．signals | D．symptoms |
Ⅱ．语法和词汇知识（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涂黑。
21. The foreigners from ____ United States paid _____ visit to the Bird Nest Stadium last week.
A. /; the B. /; a C. the; a D. the; /
20．___________most of the people believed the Bears would win, the result came as the opposite.
| A．If | B．While | C．Unless | D．Since |
19．The Internet and the effect______________brought about did a lot of good to our daily life and work.
| A．that | B．what | C．which | D．It |
18．The old couple don’t know what to do with their son, who drinks___________every day.
| A．heavily | B．seriously | C．hardly | D．Badly |
17．--- Mary, I have got a new cell phone number!
--- Oh, hold on. I’ll put it down just___________ .
| A．in deed | B．in case | C．in time | D．in use |