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

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问题:

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,则这个点的坐标为 (    ).

考点:用坐标表示平移
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椭圆5x2-ky2=5的一个焦点是(0,2),那么k=______.

题型:填空题

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

题型:填空题

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.

题型:填空题

坏死性胰腺炎血、尿淀粉酶均可不增高。

题型:填空题

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

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