试验采用的预应力筋锚具(夹具、连接器)组装件,应由锚具(夹具、连接器)的()组装而成。
A.夹具部分零件
B.主要受力零件
C.全部零件
D.预应力筋
参考答案:C, D
连词成句,注意大小写及标点符号。
1. is nice see all you so it to (.)
2. give will a about book Thomas Edison I you (.)
3. are going we to farewell party have a (.)
4. us invite let parents your (.)
5. like know you I stamps collecting (.)
实现商品性消费的初级阶段是______
A.劳务的社会化 B.消费品的商品化C.产业结构的调整 D.生产规模扩大