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【单选题】
关于吸收的说法,错误的是A.
胃可吸收酒精和少量水分
B.
十二指肠和空肠可吸收糖、蛋白质和脂肪的消化产物
C.
大肠是吸收的主要部位
D.
胆盐主要在回肠被吸收
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举一反三
【单选题】Some of the risks may be relevant to your community. Find out which ones by ______ www.GetPrepared.uk.
A.
visiting
B.
visit
C.
visited
【单选题】Which is the best title for the passage?
A.
How People Find Out the Secret of the Time
B.
How People Percept the World around us at some moment
C.
Which Ear is Better
D.
The Relationship between Temperature and Perception
【单选题】By measuring the different intensity of courtship, the team aims to______.
A.
find out which male birds are more attracted
B.
get information to build a standard to compare
C.
do the research in a novel way
D.
figure out how male birds respond to females
【简答题】下列化合物中，既显酸性又能发生酯化反应和消去反应的是：
【单选题】Which of the following is not what scientists attempt to find out about earthquakes?
A.
Time.
B.
Animals.
C.
Magnitude.
D.
Place.
【单选题】--Have you improved your spoken English ？ --Yes, I have. I've ____ improved a lot.
A.
yet; yet
B.
yet; already
C.
already ; yet
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