The Silvan Division is now ______ a full line of steel products at a new modern facility just outside the city.
A.being manufactured
B.manufactured
C.manufacturer
D.manufacturing
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If Mary knows that her bestfriend cheated her,she will be______angry. A.less than B.rather than C.more than
A.less than
B.rather than
C.more than
D.other than
The writers are asked to ______ technical languages for technical readers. A.store B.reserve C.remain D.keep
A.store
B.reserve
C.remain
D.keep
在燃气设施保护范围内,禁止从事下列危及燃气设施安全的活动:()
A. 行驶车辆
B. 建设占压地下燃气管线的建筑物、构筑物或者其他设施
C. 进行爆破、取土等作业或者动用明火
D. 放置易燃易爆危险物品或者种植深根植物
E. 倾倒、排放腐蚀性物质
在钢结构设计中,对于承重结构采用的钢材必须具有()的合格保证。
A. 强度
B. 伸长率
C. 硫元素
D. 磷元素
E. 碳元素