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【单选题】
如果在制作咖啡过程中有大量气泡产生,说明A.
水温过高
B.
咖啡粉过细
C.
冲水压力过大
D.
咖啡豆新鲜
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【单选题】- I sometimes don't have enough time _______ with my parents. - You should spend more time _______ with them at home.
A.
to chat; to stay
B.
to chat; staying
C.
chatting; to stay
D.
chatting; staying
【简答题】肺炎时容易产发脓胸、脓气胸的常见病原体是（ ）
【单选题】One of the basic principles of wildlife conservation involves ______ adequate natural food and shelter to maintain populations of each species in a given habitat.
A.
the provision
B.
that provision
C.
to provide
D.
providing
【简答题】综合填空 Do you always agree with your teachers? Sometimes you have a different answer t 1 a math problem. Or perhaps they scold (训斥) you when you don't think you did anything w 2 . What do you do then? A...
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