题目内容：
The Russians sent up the first sputnik and caught the other nuclear powers（ ）surprise.
by
答案解析：
选择题：The Russians sent up the first sputnik and caught the other nuclear powers（ ）sur
- 题目分类：研究生入学
- 题目类型：选择题
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The law does not discriminate（ ）any race,creed and color.against
The law does not discriminate（ ）any race,creed and color.against
He was running（ ）the pace he had learnt from the natives.at
He was running（ ）the pace he had learnt from the natives.at
He failed to carry out some of the provisions of the contract,and now he has to
He failed to carry out some of the provisions of the contract,and now he has to answer（ ）the consequ
A good citizen is expected to conform（ ）the law of his country.to
A good citizen is expected to conform（ ）the law of his country.to
设A为3阶矩阵，α1，α2，α3为线性无关的向量组。若Aα1＝α1＋α2，Aα2＝α2＋α3，Aα3＝α1＋α3，则|A|＝
设A为3阶矩阵，α1，α2，α3为线性无关的向量组。若Aα1＝α1＋α2，Aα2＝α2＋α3，Aα3＝α1＋α3，则|A|＝