问题
单项选择题
The beef I ate at the restaurant yesterday is delicious. I'd like to have it again even if it costs（）
A.as wice much
B.much as twice
C.as much as
D.twice as much
答案
参考答案：D
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The beef I ate at the restaurant yesterday is delicious. I'd like to have it again even if it costs（）
A.as wice much
B.much as twice
C.as much as
D.twice as much
参考答案：D
The sun is shining and it’s very hot. 31 many people don’t want to go out after 32 . Mrs. West has to(不得不) 33 her father at the airport. Her father doesn’t feel well, he wants to see a 34 in the city hospital. Now she’s 35 in the street. There 36 no trees and she feels very 37 . But she’s too 38 and can’t walk fast(快). Suddenly she finds(发现) a 39 walking behind her. She gets angry and her face turns red. “Why are you walking 40 me, boy?” She asks strictly. “It’s cooler”. The boy answers.
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ZnSO4+SO2↑+2H2O，供选用的药品为18 mol/L硫酸溶液、锌粒、品红试液、溴水、酸性高锰酸钾溶液、浓硫酸、氧化铜、无水硫酸铜、碱石灰。提示：①二氧化硫具有还原性，可能与氧化铜反应；②E、F装置都使用；③同一装置可多次使用。 