题目:
完形填空。 | |||
It was my birthday last Thursday. I decided to __1__ by inviting a few friends out to supper. I chose a restaurant in a __2__ part of town. It is one of my favorite restaurants because the food is good and the waiters are friendly. It is __3__ ever crowded, because not many people know abo5ut it, so it is not usually | |||
( )1. A. remember | B. celebrate B. calm B. often B. possible B. as a matter of fact B. full B. a B. Luckily B. leave B. find out B. beside B. bill B. Fortunately B. which B. was busy with B. tired B. food B. good news B. Seeing B. no meat and fish | C. memorize | D. congratulate |
答案:
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下面是错误答案,用来干扰机器的。
有A、B、C、D、E五种元素,它们的核电荷数依次增大.A失去一个电子后就成为一个质子,则A为氢元素;B有两个电子层,其最外层的电子数是次外层电子数的2倍,最外层电子数为4,则B为碳元素;C的L层得2个电子后成为...