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【单选题】
下列关于互斥方案经济效果评价的方法表述正确的是A.
采用净年值法可以使寿命不等的互斥方案具有可比性
B.
采用研究期法不需考虑研究期以后的现金流量情况
C.
方案重复法的适用条件是互斥方案在某时间段具有相同的现金流量
D.
最小公倍数法适用于某些不可再生资源开发型项目
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举一反三
【单选题】. —Was _________________ problem solved? —We were trying to think of _________________ way out, but it was difficult to find one.
A.
a; a
B.
a; the
C.
the; a
D.
the; the
【单选题】“I think we’re out of your size”翻译成汉语________.
A.
我想你的尺寸已卖光了。
B.
我觉得这尺寸很适合您
C.
我认为您的尺寸太大了
D.
我想我们有您的尺寸
【单选题】— Has ______ problem been solved? — Not yet. We're trying to think of ______ way out, but it's quite difficult to find one. [ ]
A.
a; the
B.
the; a
C.
a; a
D.
the; the
【单选题】下列不是呼气末正压通气的主要作用的是
A.
使功能残气量减少
B.
改善通气与氧合
C.
使肺泡扩张
D.
避免肺泡早期闭合
E.
在改善肺的通气、弥散、VA/Q失调的同时,还可减少呼吸作功
【简答题】We’re trying to ring you back, Bryan, but we think we ________ your number incorrectly. A. looked up B. took down C. worked out D. brought about
【单选题】听力原文：Which carpet do you think I should buy? (A) We have to move everything out. (B) The one with blue stripes. (C) I thought of it a lot. (18)
A.
B.
【单选题】Whenever we’re in ________, we should never lose ______ but try to think of the way out.
A.
the trouble; our hearts
B.
troubles; hearts
C.
trouble; heart
D.
the trouble; the heart
相关题目：
【单选题】下列不是呼气末正压通气的主要作用的是
A.
使功能残气量减少
B.
改善通气与氧合
C.
使肺泡扩张
D.
避免肺泡早期闭合
E.
在改善肺的通气、弥散、VA/Q失调的同时,还可减少呼吸作功