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【简答题】
简述水土流失的成因。
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反馈参考答案：
举一反三
【简答题】曲线 在区间 内是凸的,在区间 内是凹的,拐点的坐标为 。
【单选题】I can see _______ apple tree behind the house. There are many apples _______ it. [ ]
A.
an; in
B.
a; on
C.
a; in
D.
an; on
【单选题】There are many ____ on the mountain.
A.
apple tree
B.
apples trees
C.
apples tree
D.
apple trees
【单选题】There are some monkeys ____an apple tree _____ which there are many apples.
A.
on; on
B.
in; on
C.
at; on
D.
on; in
【单选题】There are many apples___the tree. A bird___the tree is picking an apple.
A.
in;on
B.
on;in
C.
in;at
D.
to;of
【单选题】There are many on the mountain. A. apple tree B. apples trees C. apples tree D. apple trees
A.
A
B.
b
C.
c
D.
d
【单选题】大量不保留灌肠的注意事项中描述错误的是（）
A.
伤寒患者灌肠液量不得超过500ml
B.
急腹症、消化道出血等患者禁忌灌肠
C.
肝昏迷患者可用肥皂水灌肠
D.
中暑患者灌肠时可用4℃生理盐水
E.
心力衰竭患者禁用生理盐水灌肠
【简答题】阅读理解。 A poor man has an apple tree in his garden. There are many nice apples on it. He finds one of the apples much bigger than the others. It is as big as a ball. The poor man takes the apple to the ...
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