如图所示,L1和L2是两只相同的小灯泡,当开关S闭合后,电流表的示数( )A.A1示数为零,A2示数变大B.A2是 A1示数的两倍C.A1和A2 的示数仍相等
_____ the end of the day, science teacher was very happy. A. On B. In C. About D. At
There has been ____rising demand for grain as ____industrial material in spite of the nation’s good harvests. A./;an B.a;an C.the;an D.a;/
已知10个产品中有3个次品,现从其中抽出若干个产品,要使这3个次品全部被抽出的概率不小于0.6,则至少应抽出产品( )A.7个 B.
By the time she got the box open, Nancy was so excited that she could hardly 36 herself. Eagerly she 37 the cotton surrounding the small object inside the box, and 38 it up to the light. I
有关亚洲气候的叙述错误的是( ) A、亚洲地跨温带、寒带、没有热带 B、亚洲东部和南部夏季的降水与夏季风有着密切的关系 C、亚洲的气候具有复
小张在商店购买一件打折商品,原标价为人民币50元,实际支付40元。在这购买活动中,货币执行的职能是A.支付手段 B.流通手段 C.