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【多选题】
关于经济费用效果分析的说法,正确的有()
A.
备选方案的目标可以不同
B.
费用效果计算口径应对应一致
C.
备选方案计算期不一致时,费用应采用年值法
D.
如果有多个效果,取其中效果进行度量
E.
应遵循多方案比选原则,避免对单一方案的项目直接评价
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举一反三
【单选题】He lives in a room ______ and 5 meters wide.
A.
10 meters long
B.
10 meter long
C.
long 10 meters
D.
10-meter-long
【单选题】语言发育迟缓儿童的治疗当中,治疗师拿出一个糖果放在嘴里并同时说出“吃”,让儿童模仿是
A.
名词训练
B.
动词训练
C.
形容词的训练
D.
手势符号的训练
【判断题】La2B1022两个频率相同的正弦量的相位差为180°,叫做同相。
A.
正确
B.
错误
【单选题】He lives in the room____window faces to the south.
A.
that
B.
which
C.
whose
D.
of which
【单选题】He lives in a room ______ window faces south.
A.
whose
B.
who
C.
whom
D.
that
【简答题】He lives in a small room with only one small window.英译汉
【简答题】He lives in a room __________ window faces the north.
【单选题】He lives in the room____window faces to the south.
A.
whose
B.
who
C.
which
D.
that
【单选题】两个同频率的正弦交流量的相位差为180°,则两正弦交流量为( )。
A.
同相
B.
反相
C.
一致
D.
同步
【单选题】He lives in the room, the window_____faces to the south.
A.
that
B.
which
C.
whose
D.
of which