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長按下面二維碼即可 |
1、單選題
[閱讀判斷]When Nick Holonyak set out to create a new kind of visible lighting using semiconductor alloys, his colleagues thought he was unrealistic. Today, his discovery of light-emitting diodes, or LEDs, are used in everything from DVDs to alarm clocks to airports.
Q: Holonyak‘s colleagues thought he would fail in his research on LEDs at the time when he started it.
A、True
B、False
C、Not Given
正確答案:A
答案解析:答案選A。短文第一句就說到:當Nick著手用半導體合金創(chuàng)造一種新的可視照明設備的時候,同事們都認為他不現(xiàn)實。所以本句的論述是正確的。
2、
單選題
[完成句子]There are many other traps to avoid. The has found little awareness among drivers about safe parking. Most motorists questioned made no efforts to avoid parking in quiet spots- just the places thieves‘ love. The A.A. advises drivers to park in places with people around- thieves don’t like audiences.
Car drivers are found to be careless in choosing _________.
A、safe parking spots
B、increase in the number of cars stolen
C、non-professional thieves
D、lack of parking space
正確答案:A
答案解析:根據(jù)原文第2句和第3句“The A.A. has found little awareness among drivers about safe parking. Most motorists questioned made no efforts to avoid parking in quiet spots- just the places thieves' love.”可推知答案選A。
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