【单选题】Auctions are public sales of goods, conducted by an officially approved auctioneer. He asks the crowd assembled in the auction-mom to make offers, or 'bids', for the various items on sale. He encourag...
A.
because they took place at night
B.
as a signal for the crowd to gather
C.
to keep the auctioneer warm
D.
to limit the time when offers could be made
【单选题】呕吐、腹泻、少尿2天。查体:哭无泪,眼窝、前囟明显凹陷,皮肤弹性差,呈花纹状。心音低钝,四肢末梢凉。实验室检查:粪常规未见红细胞、白细胞,可见脂肪滴。血清钠135mmol/L患儿的脱水程度属于
【单选题】Auctions are public sales of goods, conducted by an officially approved auctioneer. He asked the crowd assembled in the auction - room to make offers, or bids, for the various items on sale. He encour...
A.
a person who sells something.
B.
a person who buys something.
C.
a person who offers a price.
D.
a person who borrows something
【单选题】一般讲,良性肿瘤异型性小,而恶性肿瘤异型性明显,异型性主要表现在()。