()大小的选用是根据缝制产品厚薄来决定的。
A、长度
B、机针
C、宽度
D、形状
参考答案:B
(2013·高考辽宁卷)Laura was away in Paris for over a week.When she got home,there was a pile of mail ________for her.
A.waited
B.to wait
C.waiting
D.was waiting
慢性支气管炎发展为肺心病的X线征象是()
A.心脏普大
B.左心房、右心房大
C.左心室增大
D.右心室增大
E.心腰凹陷