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【单选题】
环境规划方案的设计途径是:
A.
严格控制污染物排放
B.
大力发展区域经济
C.
提高资源利用率
D.
提升居民消费水平
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【简答题】Most people like Jazz 107.9 FM,because it _________ very beautiful music. .A,gives B6. Most people like Jazz 107.9 FM,because it _________ very beautiful music. . A,gives B.takes C.plays D.brings
【判断题】在一种可变投入的生产函数中,只要平均产量是上升的,就应增加可变要素的投入量。
A.
正确
B.
错误
【单选题】The sentence '... AMR, Corp's American Airlines, the world's biggest carder, could follow later this year' ( Paragraph 7) can best be restated as ______.
A.
it would also seek bankruptcy protection
B.
it would have to spur its passengers' demand for tickets
C.
it would have to take aggressive steps to avoid bankruptcy
D.
it would call for more financial subsidy from the government for its survival
【判断题】AMR-NB编码速率仅为12.2kbps。()
A.
正确
B.
错误
【单选题】—Do you like to play _______your classmates? —Yes,l do.
A.
at
B.
on
C.
for
D.
with
【单选题】在两个恒容的密闭容器中进行下列两个可逆反应: 甲:C(s)+H 2 O(g) CO(g)+H 2 (g); 乙:CO(g)+H 2 O(g) CO 2 (g)+H 2 (g) 现有下列状态:①混合气体平均相对分子质量不再改变 ②恒温时,气体压强不再改变 ③各气体组成浓度相等 ④反应体系中温度保持不变 ⑤断裂氢氧键速率是断裂氢氢键速率的2倍 ⑥混合气体密度不变 ⑦单位时间内,消耗水质量与生成氢气质量...
A.
①②⑤
B.
③④⑥
C.
⑥⑦
D.
④⑤
【单选题】Which of the following is NOT mentioned to take cautious and proper action about the AMR? 查看材料
A.
Those who use antibiotics.
B.
Those who sell antibiotics.
C.
Those who produce antibiotics.
D.
Those who study in universities.
【简答题】AMR-WB优选编码速率为23.85kbps。()
【单选题】Would you like _____?
A.
going skiing
B.
to go skiing
C.
goes skiing
【单选题】在两个恒容的密闭容器中进行下列两个可逆反应: 甲: C(s) + H 2 O(g) CO(g) + H 2 (g) 乙: CO(g) + H 2 O(g) CO 2 (g) + H 2 (g) 现有下列状态: 1 混合气体平均相对分子质量不再改变 2 恒温时,气体压强不再改变 3 各气体组成浓度相等 4 反应体系中温度保持不变 5 断裂氢氧键速率是断裂氢氢键速率的 2 倍 6 混合气体密度不变 7...
A.
①②⑤
B.
③④⑥
C.
⑥⑦
D.
④⑤
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