题目内容

Writing stories and articles ______ what she enjoys most.

A. is
B. have been
C. was
D. were

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In our country each boy and each girl ______ the right to receive a good education.

A. is
B. are
C. has
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焊料熔化后润湿性的好坏与哪项条件无关

A. 被焊金属熔点
B. 被焊金属表面是否有氧化层
C. 被焊金属成分
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Many a boy and many a student ______ looking forward to visiting the United States of America at present.

A. are
B. were
C. is
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可用于气滞型胃脘痛的非处方中成药是

A. 五味清浊丸
B. 良附丸
C. 小建中颗粒
D. 胃苏颗粒
E. 以上均不是