蝗虫的口器适于().
A磨碎食物
B切断、咀嚼食物
C吸食茎、叶的汁液
D切断、吞舍食叶片
参考答案:B
The employees were made to spend as much time as they could ______ more products to meet the _______ market.
A.producing; growing
B.to produce; grown
C.to produce; growing
D.produced; grown
查办腐败案件以()领导为主,线索处置和案件查办在向同级党委报告的同时必须向上级纪委报告。
A.同级党委
B.同级纪委
C.上级党委
D.上级纪委