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【单选题】
根据案例背景中的成本资料判断，该项目成本和进度完成情况为（ ）。 查看材料A.
项目成本超出预算，进度落后
B.
项目成本与预算相符，进度超前
C.
项目成本在预算范围内，进度超前
D.
项目成本在预算范围内，进度落后
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【简答题】某调水枢纽工程主要由泵站和节制闸组成，其中泵站设计流量120m3/s，安装7台机组（含备用1台），总装机容量11900kW，年调水量7.6×108m3，节制闸共5孔，单孔净宽8m，非汛期节制闸关闭挡水，汛期节制闸开敞泄洪，最大泄洪流量750m3/s，该枢纽工程在施工过程中发生如下事件：
事件一：为加强枢纽工程施工安全生产管理，施工单位在现场设立安全生产管理机构，配备了专职安全生产管理人员，专职安...
【单选题】When oil is being consumed by passing through the engine, it usually will cause heavy ______ to come from the exhaust, particularly after the engine has idled for several minutes.
A.
black smoke
B.
blue smoke
C.
white smoke
D.
steam
【单选题】Was it because it snowed last night ______ he didn't come?
A.
why
B.
that
C.
when
D.
then
【简答题】My steamboat voyage to Albany and back has turned out rather more favorable than I had expected. The distance form New York to Albany is 150 miles. I ran it up within 32 hours and down in 30. I had a ...
【简答题】( )Our teacher told us that James Watt ___ the steam engine. A.invented B.had invented C.has invented D.was inventing
【单选题】Was it because it snowed last night _____ you didn't come?
A.
when
B.
that
C.
so
D.
what
【简答题】某药材中含有下列化合物,其提取分离过程如以下工艺,请将各化合物填于该工艺1、2、3、4的适当位置并说明原因。
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