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【多选题】
Polar group of surfactant is also called ()A.
Hydrophobic group
B.
Hydrophilic group
C.
Lipophobic group
D.
不知道
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【单选题】What youre always heard? Were eating too much salt.The average American gets about 3. 4 grams of sodium every day, far more than the upper limit of 2. 3 grams recommended by the USD A. The Institute o...
A.
is within the healthy range
B.
is a bit over the upper limit
C.
is far beyond what is necessary
D.
is well below the lower limit
【单选题】下列拜占廷皇帝中，掷重金挽留数学家利奥在首都君士坦丁堡任教的皇帝是_______。
A.
查士丁尼一世(JustinianI,527-565年在位)
B.
塞奥菲鲁斯(Theophilos,829-842年在位)
C.
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D.
瓦西里二世(BasilII，976-1025年在位)
【单选题】He found it even harder ______ .
A.
getting to sleep
B.
got to sleep
C.
to get to sleep
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【单选题】—Things are getting even worse now without Jackson. —It's certain that he will ________ at the basketball court. [ ]
A.
show up
B.
get up
C.
put up
D.
take up
【单选题】—Things are getting even worse now without Jackson. —It’s certain that he will ______ at the football field.
A.
turn up
B.
come out
C.
put up
D.
take up
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