16. The () of natural resources led to their rapid decrease. A. discovery B. consumption C. finding D. study ...

6. In the morning, people take different()to go to work. A. vehicles B. steps C. feet D. hands ...

8. The change with North American diet is (). A. more water B. fewer eggs C. more chicken and fish D. less red meat ...

18. Usually in the summer, governments at all levels become quite alert about()because of the hot and dry weather. A. drought B. flood C. hurricane D. storm ...

11. The mental()has changed him from a talent to a moron. A. disruption B. state C. disorder D. health ...

1. Be careful while crossing the street. Don't forget () over by a bike the other day. A. to knock B. to be knocked C. being knocked D. to have knocked ...

1. During times of strong winds from high mountains, there are more health problems like strokes, heart attacks, headaches and lung disorders. A. 错误 B. 正确 ...

2. Which of the following is the name of the festival? (). A. Halloween B. All Hallows’ Day C. All Saints’ Day D. Ghosts’ Day ...

3. Since his face is red when he feels shy, his friends give him the () “red John”. A. name B. calling C. nickname D. big name ...

4. Sudden winter temperature changes, long cold periods, or heat and humidity can bring illnesses and health problems like colds, flu, or pneumonia. A. 错误 B. 正确 ...