重度有机磷杀虫药中毒时瞳孔的表现是()
A.针尖样大小
B.扩大
C.两侧大小不等
D.形状不规则
E.呈椭圆形
参考答案:A
—What will the weather be like tomorrow?
—It _______ be rainy, cloudy or sunny. Who knows?
A.must
B.might
C.shall
D.should
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