为了提高钢材的弹性,可在钢材中加入()元素。
A.锰
B.铬
C.钼
D.硅
参考答案:D
照样子改写句子。
例:她告诉我她叫乌塔,已经14岁了。
她告诉我:“我叫乌塔,已经14岁了。”
乌塔说,她在家里就设计好了旅行路线和日程。
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-How do you like the concert given by the "Foxy Ladies"?
-Exciting. _____ one piece of music wasn't played quite well.[ ]
A. so
B. though
C. because
D. and