当风力发电机组排列方式为矩阵分布时,在综合考虑后,一般各风电机组的间距应不大于倍风轮直径。()
A、1
B、2
C、3~5
D、9
参考答案:C
下列症状中,不属于胎黄虚脱典型症状的是()
A.发热
B.气促
C.神昏
D.四肢厥冷
E.胸腹欠温
Most of us still wonder ___________ it is ________ makes those honest peasant workers, without being paid at all, resign themselves to the bosses.
A.what; that
B./; what
C.that; what
D./; that