题目
A.29.5
B.25
C.20
D.4.5
第1题
A.32%
B.16%
C.8%
D.24%
第2题
根据下列条件,回答 22~24 题:
某电厂监测烟气流量为200 m3/h,烟尘进治理设施前浓度为l 200 mg/m3,排放浓度为200 mg/m3,无监测二氧化硫排放浓度,年运转300 d,每天20 h;年用 煤量为300 t,煤含硫率为1.2%,无脱硫设施。
第 22 题 该电厂烟尘去除量是()kg。
第3题
A.10
B.20
C.25
D.30
第4题
A.20%
B.40%
C.54%
D.63%
第5题
根据下列条件,回答 81~85 题:
某零售企业欲经营某种新产品,现要就进货方案作出决策,如下表(收益矩阵表)所示。 市场状况
进货方案 销路好 销路一般 销路差 A1:2万件 24 21 14 A2:2.2万件 25 20 11 A3:2.3万件 28 20 8 A4:2.5万件 30 18 -7
第 81 题 运用悲观准则,应选择的进货方案应是()。
A.2万件
B.2.2万件
C.2.3万件
D.2.5万件
第6题
根据下列材料请回答 16~30 题:
Some years ago,Chinese high school students would show their new schoolbags,new clothes or new pens to their classmates when the new term started.Today,however,all have 16 If you still come back to school 17 0nly these things,you are out—of-date(过时的)。Students in big cities like to bring the latest high.tech things to school,and feel happy and 18 to show off(炫耀)these things to 19 .Mobile phones,MP3 players,CD players,electronic dictionaries,the list is endless.
Young people think that.1iving in the 21 st century,they must keep up with the 20 They don't want to fall 21 .Besides,they think 22 they need to keep in touch with their classmates.SO they need mobile phones.They also like to 23 the pop music,SO they need CD players.They explain that, 24 like electronic dictionarjes,these can be 25 in their study, 26 .They think that their parents should understand 27 they want these things-
Foreign students will also bring some latest high-tech things when they 28 to school at the beginning of a new term. 29 ,they often use the money which they made by themselves during the holiday to 30 these high—tech things that they want.
第 16 题
A.changed
B.come
C.joined
D.stopped
第7题
根据材料回答 27~31 问题:
请回答下列问题:
第 27 题 张某与轻生女子之间存在何种民事法律关系?
第8题
A.0
B. 2 890
C. 17 000
D. 19 890
第10题
根据下列选项,回答 25~28 题:
第 25 题 某水溶性药物制成缓释固体分散体可选择的载体材料为()
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