【多选题】【消耗次数：1】
非苷萜类化合物的提取溶剂可选用
①
酸性水溶液
②
碱性水溶液
③
乙醇
④
氯仿
⑤
甲醇
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①
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Too much noise may_____________ mental problems.
①
thank to
②
due to
③
lead to
④
result in
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①
took out
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gave out
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ran out
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rushed out
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Ill go to see Mr. Smith, ______________ .
①
time permitted
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time permitting
③
if time permitted
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if time permits
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①
Areyoureadytoordernow?
②
Doyouwantthemenu?
③
Doyoulikethesefood?
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Whatdoyouwanttoeat?
【单选题】
Alice: Natalie must have left since your plane arrived so late.Sam: To my surprise, I found her waiting for me at the airport.Alice: ___________
①
What a pity.
②
How kind.
③
Good for her.
④
No kidding.
【单选题】
John always ______________ elder people politely.
①
treat
②
treated
③
treats
④
treating