问题
选择题
若x2+x=1，则代数式2x2+2x-8的值为[ ]
A.6
B.-6
C.8
D.-8
答案
答案：B
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若x2+x=1，则代数式2x2+2x-8的值为[ ]
A.6
B.-6
C.8
D.-8
答案：B
One day， a Chinese student goes to study English in England. His family name is Sun. It is the _ __ as the word "sun." England is a country with _ . It is often cloudy or misty(多雾的)，and it _ again， so the days there _ _ get much sunshine(阳光) all the year. When the Chinese student gets to London，a tall _ _ policeman with a long face _ __ his passport(护照) to check(检查) it. The policeman finds the Chinese name "sun" in the passport. He _ _ it is pronounced(发音) just like the _ word "sun". So he says to the Chinese student， "I see your name is Sun， you’re wanted here. You bring sunshine __ _ England， so we don’t want you to __ __ ." They smile.
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