1、What is the speaker’s main topic?(单选题)
A. Effects of using mobile phones on healthy human cells.
B. Risks of developing cancer involved in the use of mobile phones.
C. Damage to healthy cells caused by the use of mobile phones.
D. The potential health hazards of mobile phones on humans.
试题答案:D
2、What is the best way to reduce the amount of soot?
A. Installing exhaust filters on all trucks and buses.
B. Better managing forest fires.
C. Getting Americans to give up SUVs.
D. Melting snow and ice.
试题答案:B
3、The major cause of malnutrition in the world is lack of ______.(单选题)
A. protein
B. vitamin
C. minerals
D. food
试题答案:D
4、How many people were missing in the storm of July 17 that drenched North Korea?
A. 549.
B. 151.
C. 295.
D. 29.
试题答案:C
5、The first state court to rule that gays had a constitutional right to wed was ______.(单选题)
A. the Maryland’s Supreme Court
B. the Massachusetts’ Supreme Court
C. the New Mexico’s Supreme Court
D. the New Jersey’s Supreme Court
试题答案:B
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