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【简答题】
选择方框中适当的选项补全对话 (P - Policeman F- Frank) P: 1 F:Yes, please. I'm looking for my little sister. P: 2 F: She is short and has short curly hair. P: 3 F: Yes, with thick glasses. P: 4 F: You're right. P: Oh! Look! 5 F: Thank you. P: You're welcome. A. Dose she wear glasses? B. She's under the tree over there. C. Can I help you? D. What does she look like? E. Is she a little bit heavy?
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反馈参考答案：
举一反三
【判断题】超低温保存:也叫冷冻保存,指在 -196 °C的液氮超低温下使细胞代谢和生长处于基本停止的状态,在适宜条件下可繁殖,再生出新的植株,并保持原来的遗传特性。
A.
正确
B.
错误
【单选题】-- Do you want to drink beer or wine? --________
A.
Yes, I like beer
B.
No, I don't
C.
I prefer wine to beer
D.
No, I like beer
参考解析：
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