四六级考试

【单选题】 The judger doesn't know whether the witness is telling the truth, but he will _________ it.
A．identify
B．enforce
C．distinguish
D．verify

【单选题】 In approximately what year was the first maser built
A．1917.
B．1951.
C．1953.
D．1957.

【单选题】 The author gives the two examples in paragraph 2 and 3 to show ______.
A．how false national pride led to undesirable incidents in international games
B．that spokesmen have been more obedient than they used to be
C．that competitiveness in the games discourages international friendship
D．that unfair decisions are common in Olympic Games

【单选题】
A、Some forecasting machines do not work well in hot weather.
B．The weather patterns are more changeable in the autumn.
C．Experts spend less time studying autumn.
D．The National Weather Service misplaced its spring and summer dat
A、

【单选题】 What's the main idea of this passage
A．High-tech life may be risky.
B．It's difficult to make friends in the modern world.
C．Juvenile crime is rising in Japan.
D．More electronic pets are turned out.

【单选题】 After ordering the goods, Mr. Smith might pay for them within two weeks because ______.
A．the furniture is 25% lower in cost
B．he can enjoy 2% discount
C．the product may be out of stock
D．he can get them within 30 days

【单选题】 From the studies conducted by LeDoux we learn that ______.
A．reactions of humans and animals to dangerous situations are often unpredictable
B．memories of significant events enable people to control fear and distress
C．people's unpleasant memories are derived from. their feelings of fear
D．the amygdala plays a vital part in human and animal responses to potential danger

【单选题】 I don't recollect ______ her cry in public before.
A．to see
B．having seen
C．to watch
D．watch

【单选题】 The article was written to explain ______.
A．the greenhouse effect
B．the models of solar-weather interactions
C．the solar effects on earth
D．the causes affecting weather

【单选题】 According to the passage, which of the following is true
A．Marketeers should be responsible for the burdens of the past.
B．Marketeers should separate themselves from their personal and cultural history.
C．Marketeers should disagree on racial prejudices.
D．Marketeers should take care of the wounded in the war.