【单选题】【消耗次数：1】
A: How do I get to the new library?B: [填空].
①
Im sorry I cant understand
②
You could take the number 11 bus
③
Im afraid you missed the bus
④
Im glad to show you the way
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相关题目
【单选题】
A: Richard, class begins at 9, and you are late. B: I know, but I missed my bus, Im sorry. B: [填空]. You have to be here on time.
①
Thats no excuse
②
Dont mention it
③
You neednt be
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No problem
【单选题】
A: Hi, Mark, Im glad you could come. B: [填空] A: No, you are right on time.
①
Its my great honor, thanks.
②
You are welcome. Am I the first?
③
Thanks. Do you have the time?
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I hope Im not too late.
【单选题】
—Do you mind if Charlie borrows a few hundred dollars from you?—Im afraid I do. Ill be glad to lend money to _____ but Charlie.
①
someone
②
everyone
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anyone
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no one
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A: Mary, Im very sorry to tell you that I wont be able to come this Friday. B: Whats the matter? [填空].
①
Nothing wrong, I hope
②
Its all right with me
③
Im really sorry for that
④
You can come some other time
【单选题】
A: Hi. My name is David Manning. Im from Britain. B: Im Bill Clinton. Glad to meet you. What year are you? A: [填空].
①
Im a first-year student
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I was born in 1990
③
Ive been here for years
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Im 19 years old
【单选题】
A: I didnt know you play basketball. Are you having fun? B: Im having a great time. [填空] What are you doing?
①
Great!
②
How about you?
③
I miss it so much
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Do you know billiards?
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A: Im sorry to have kept you waiting. B: [填空].
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Youre welcome
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I did it
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I still remember it
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I will come
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I couldnt make it
随机题目
【简答题】
大黄中游离蒽醌类成分主要为[填空1]、[填空2]、[填空3]、[填空4]和[填空5]。
【简答题】
中药虎杖中的醌属于[填空1]醌类，紫草素属于[填空2]醌类，丹参醌类属于[填空3]醌类。
【简答题】
无色亚甲蓝试验主要用于鉴别醌中的[填空1]和[填空2]类成分。
【简答题】
根据分子中羟基分布的状况不同，羟基蒽醌可分为[填空1]和[填空2]两种类型。
【简答题】
香豆素基本母核是[填空1]。
【简答题】
小分子的香豆素有[填空1]，能随水蒸汽蒸出，并能具有升华性
【简答题】
香豆素常用提取分离方法有[填空1]，[填空2]，[填空3]。
【简答题】
羟基香豆素在紫外光下显[填空1]荧光，在[填空2]溶液中，荧光更为显著。
【简答题】
秦皮中具有抗菌作用的香豆素化合物为[填空1]和[填空2]。
【简答题】
黄酮类化合物所显颜色与分子中是否存在[填空1]及[填空2]的数目和位置有关。