单选题:According to the second letter, when should Jason contact Mr

题目内容:
According to the second letter, when should Jason contact Mr. Brown again? A.If he runs into further problems with payments
B.As soon as he is ready to make the payment
C.If he is in need of using the service again
D.Once he finishes paying off all the money

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答案解析:

素数是指只含有两个因子的自然数(即只能被自身和1整除)。孪生素数,是指两个相差为2的素数。比如,3和5,17和19等。所

素数是指只含有两个因子的自然数(即只能被自身和1整除)。孪生素数,是指两个相差为2的素数。比如,3和5,17和19等。所谓的孪生素数猜想,是由希腊数学家欧几里得

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What will Ms. Singh and Mr. Weinstein probably do?

What will Ms. Singh and Mr. Weinstein probably do?A.Stay in Valbonne for a week

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眶底骨折最常见的临床表现是

眶底骨折最常见的临床表现是A.失明 B.眼球内陷 C.眼球突出 D.眼球水平方向运动受限 E.内眦距变窄,眼裂变大

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