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【单选题】
在分离条件下 , 药物中间体吲哚羧酸产品中所有主、副产品及杂质都能分离,且在 254 nm 下,可用何种定量方法 ? ( )A.
外标法
B.
内标法
C.
归一化法
D.
标准加入法
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【简答题】Please introduce yourself to your classmate briefly. You could talk about: a. your name (family name, first name, English name and/or nickname); b. your hometown/ address; c. your hobby/ hobbies (your...
【简答题】While your family was on vacation, your friend named Mary looked after your dog named Smart. Now you came back, write a letter to her to show your gratitude. Your letter should be no less than 100 wor...
【单选题】听力原文：M. Oh, it's you, Mrs Bramley. Come in and sit down. Now, what was it? Oh, yes, your ankle. Has there been any improvement since last week? W: Well, no, I' m afraid not, doctor. The leg's still th...
A.
She need to take more exercise.
B.
Her uncle's health has not improved.
C.
She can't understand the doctor.
D.
Her ankle is swollen.
【简答题】You and your family had dinner in a restaurant a few nights ago. The service at the restaurant was terrible and the food was bad. You and two of your family members had severe stomach-aches the follow...
【简答题】我们通常将社区分为两种,分别是:
【简答题】Introduce yourself to the class. You may refer to the following tips. your name, nickname, or English name your family and friends your hobbies what you are good at, etc. where you come from your tele...
【判断题】Posting personal information such as your birth date, family member names, and home address, does not increase your risk of identity theft.
A.
正确
B.
错误
【单选题】听力原文：M: Are you happy with the way you are being looked after, Jane? W: Oh, yes. I've received very good treatment here. My sheets are changed every morning and my room is cleaned twice a day. I'm rec...
A.
She is in a hotel.
B.
She is in a hospital.
C.
She is in a hoarding school.
D.
She is in a restaurant.
【判断题】In the heading part, it contains your name, gender, family background, phone number and your email address.
A.
正确
B.
错误
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