【单选题】【消耗次数：1】
儿童每天需要( )微克维生素D。
①
8
②
14
③
12
④
10
参考答案：
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相关题目
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治疗佝偻病，每天服用维生素D的剂量为（）。
①
300万～600万IU
②
1000万～1200万IU
③
600万～800万IU
④
2000万～4000万IU
⑤
1500万～2000万IU
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婴儿预防佝偻病，每天服用维生素D的剂量为（）。
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100万～200万IU
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1500万～2000万IU
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400万～800万IU
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【单选题】
维生素D的活性形式是
①
维生素D<sub>3</sub>；
②
25-OH-维生素；
③
1，25-（OH）<sub>2</sub> -维生素D<sub>3</sub>；
④
24，25-（OH）<sub>2</sub> -维生素D<sub>3</sub>；
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25，26-（OH）<sub>2</sub> -维生素D<sub>3</sub>
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【单选题】
Can you come over for dinner with us?
①
I’d like to but I have a meeting tonight
②
It doesn’t matter
③
No, I don’t like
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Oh, that sounds well
【单选题】
Do you mind if I take a couple of hours off this afternoon?
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Never mind
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OK, but what for?
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Yes, but I don’t care
【单选题】
Would you like to have dinner with us this evening?
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OK, but I have to go to a meeting now
②
No, I can’t
③
I’d love to, but this evening I have to go to the airport to meet my parents
④
I don’t know
【单选题】
Hurry up please, or I’ll be late.
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Sorry sir, bur the traffic is thick now
②
Well, it’s alright, sir
③
How can you say that, sir?
④
Oh, we are going the right way
【单选题】
Are you ready to order desert, please?
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Yes, please
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Please don’t order it
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No, don’t mention it
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Yes, I’d like to have some chocolate cake
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The donated liver came from the UK, but the hospital is giving no further __________ .
①
instance
②
character
③
items
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details
【单选题】
Well, it’s getting late. I must be going. Thank you again for inviting me to the party.
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Oh, it’s so late
②
Thank you for coming
③
Oh, so soon?
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I really had a happy time
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I won’t be able to attend the meeting tonight because _________ .
①
I must teach a class
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I teach a class
③
I will be teaching a class
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I will have been teaching a class
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Excuse me, but can you tell me the way to the airport?
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Don’t ask that
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Sorry, I’m a stranger here
③
No, I can’t say that
④
No, you’re driving too fast