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【单选题】
一切生物的遗传物质是( )。A.
DNA
B.
RNA
C.
核酸
D.
核苷酸
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反馈参考答案：
举一反三
【单选题】“摇摇冰”是一种即用即冷的饮料．吸食时将饮料罐隔离层中的化学物质和水混合后摇动即会制冷．该化学物质是（ ）
A.
氯化钠
B.
固体硝酸铵
C.
固体氢氧化钠
D.
生石灰
【简答题】翻译短语并选用其中的一些补全句子。 1．告诉我关于你自己的情况 2．看比赛 3．过得很愉快 4．为某事感谢某人 5．对……友好 6．出现；发生；来到 7．相处 8．在……方面帮助某人 9．想起 _______________________ _______________________ _______________________ _______________________ _______...
【多选题】下列哪些是家族性息肉病的特点（ ）
A.
有时合并多发性软组织瘤
B.
癌变的倾向性很大
C.
肠粘膜为广泛、密集、不带蒂的小息肉覆盖
D.
口唇、口腔粘膜、口旁皮肤、手指上有色素沉着
E.
很少在婴幼儿即出现症状
【单选题】听力原文：W: I want to have a long rest during the weekend, but I don't know where to go. M: Have you thought of climbing the mountains? What does the man mean by his response?
A.
The woman should go to climb the mountain.
B.
The woman should stay at home.
C.
The weekend may not be long enough for climbing the mountains.
D.
The man did not know where to go either.
【单选题】听力原文：W: Can I have breakfast in my room? And I want to know something about your service time. M: Certainly, madam. Breakfast is served in your room from 7 o'clock until 10. Here is the menu. W: Ok, T...
A.
Three hour and a half.
B.
Thirty minutes.
C.
Four hours.
D.
180 minutes.
【单选题】听力原文：M: When I say I live in Sweden, people always want to know about the seasons. W: The seasons? M: Yeah, you know, how cold it is in winter, what it is like when the days are so short. W: So what i...
A.
He likes Sweden better than England.
B.
He prefers hot weather to cold weather.
C.
He is an Englishman living in Sweden.
D.
He visits London nearly every winter.
【单选题】“摇摇冰”是一种即用即冷的饮料.吸食时将饮料罐隔离层中的化学物质和水混合后摇动即会制冷.该化学物质是
A.
氯化钠
B.
固体硝酸铵
C.
固体氢氧化钠
D.
固体生石灰
【单选题】听力原文：W: I want to ask the Smiths to the party. Do you know their address? M: No, but I'd like them to come. I think their friend Bill can give you their address. Q: What is the woman going to do? (2)
A.
Ask the Smiths to tell her where they live.
B.
Have a party for the Smiths.
C.
Obtain clothing for the Smiths.
D.
Mail an invitation to the Smiths.
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