过氧化物酶染色临床意义错误的是()。
A.中性粒细胞染色阳性
B.嗜酸粒细胞染色阳性
C.淋巴细胞染色阳性
D.红细胞染色阴性
E.单核细胞染色阳性
参考答案:C
The place _______ the bridge is supposed to be built should be _______ the cross-river traffic is the heaviest.
A.which; where
B.at which; which
C.at which; where
D.which; in which
电线为什么要避免重物压住?