鉴别黄酮类化合物分子中是否存在3-或5-羟基的试剂是A.四氢硼钠 B.二氯氧锆-枸橼

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问题:

鉴别黄酮类化合物分子中是否存在3-或5-羟基的试剂是

A.四氢硼钠

B.二氯氧锆-枸橼酸

C.三氯化铁

D.醋酸镁

E.醋酸铅溶液

考点:中药执业药师中药学专业知识(二)中药执业药师中药学专业知识(二)
题型:单项选择题

It must have been about two in the morning when I returned home. I tried to      my wife by ringing the door-bell, but she was very deeply asleep. So I got a ladder from the shed in the garden, put it against the wall, and began climbing towards the bedroom    .I was almost there when a sarcastic voice below said, "I don't think the windows need cleaning at this time of the night.” I     and nearly fell off the ladder when I saw a policeman.  "I enjoy      at night,”I said, but I immediately felt sorry about    in the way I did.

"So do I,” answered the policeman in the same tone.  "Excuse my interrupting you. I hate to interrupt a man when he's busy working, but would you      coming with me to the station?"

"Well, I'd prefer to stay here,”I said.  "You see, I've forgotten_______.”

"Your what? ” he called.

"My key,” I shouted.

Fortunately, the shouting woke up my wife. She opened the window just as the policeman

had started to climb towards me.

小题1:A. wake up             B. hurry up                C. give up

小题2:A. door                B. wall                 C. window

小题3:A. climbed up           B. looked down          C. ran away

小题4:A. climbing ladders      B. cleaning windows      C. opening doors

小题5:A. doing               B. climbing             C. answering

小题6:A. enjoy               B. like                 C. mind

小题7:A. my key             B. the ladder            C. the door-bell

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通过对基金收入来源的分析,尤其是通过基金间收入来源结构的比较分析,可以更为深入地了解该基金具体投资状况。()

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下列测评方法中,属于广告事后测评的是()

A.识别测试

B.实验室测试

C.直接评分

D.组合测试

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外地人,参加二档一档,能选几家社康中心?公司选定后,自己可以更改吗?

题型:单项选择题

不具有酶抑制作用的药物有()

A.红霉素

B.别嘌醇

C.利福平

D.氯霉素

E.异烟肼

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