某点若向右平移2个单位，再向下平移3个单位，所得到的点是坐标原点，则这个点的坐标

椭圆5x²-ky²=5的一个焦点是（0，2），那么k=______．

右旋糖酐20分子量与分子量分布的测定，《中国药典》采用的方法是

A．非水溶液滴定法

B．分子排阻色谱法

C．气相色谱法

D．氧化还原滴定法

E．离子交换色谱法

根据首字母或中文意思写单词

小题1:I’m  t              , I think I should have something to drink.

小题2:He talked too much yesterday, so he had s sore t                 .

小题3:I am sorry I can’t go to my friend’s party, because I am b       my little brother tomorrow.

小题4:People who have something wrong with their teeth should see a d            .

小题5:Doing morning exercises is a good way to keep h               .

小题6:Her writing _________ （习惯）are pretty good.

小题7:It ________(花费)him forty minutes to go to the bank every day.

小题8:Could you give me some______(建议) about my English?

小题9:Please tell me the ________(整个的) story,  we want to know all about it.

小题10:I’m _________(安静的) than most of the kids in my class.

坏死性胰腺炎血、尿淀粉酶均可不增高。

下列方剂中，用炮姜的是()

A．温经汤

B．半夏泻心汤

C．血府逐瘀汤

D．生化汤

E．阳和汤