软组织异物的超声诊断，正确的有（） A.除X线外，超声是一种重要的异物定位诊断方法

当固体AgCl放在较浓的KI溶液中振荡时，部分AgCl转化为AgI，其原因是．（   ）

A．AgI比AgCl稳定

B．氯的非金属性比碘强

C．I^－的还原性比Cl^－强

D．AgI的溶解度比AgCl小

血小板的相对密度为（）。

A.1.030～1.060

B.1.050～1.078

C.1.080～1.095

D.1.090～1.111

E.1.025～1.030

根据句意、单词或汉语注释，在空格内填入适当的单词。

小题1:How many ___________(业余爱好) do you have?   Only one.

小题2:It is going to rain this afternoon. You should take an _____________(雨伞) with you.

小题3:Daniel is _____________(有礼貌的). All his classmates and teachers like him.

小题4:I often have lunch with my friends in a small ________________(餐馆).

小题5:My sister and I are in the same school but we are in different ___________(年级).

小题6:Tom often does some _____(shop) with his mother on Saturday.

小题7:There are many new comic books on the ________(teacher) desk.

小题8:My grandfather has two old _______ (radio). I want to buy a new one for him.

小题9:Millie is a kind girl. She is always ______(help) to others.

小题10:--Do you know those football __________ (play)?  --Yes, they’re my friends.