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【单选题】
导致酸碱指示剂发生颜色变化的外因条件是A.
溶液的粘度
B.
溶液的湿度
C.
溶液的电离度
D.
溶液的酸碱度
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举一反三
【单选题】The human body can tolerate only a small range of temperature, especially when the per- son is engaged in vigorous activity. Heat reac- tions usually occur when large amounts of water and/or salt are ...
A.
do not sweat.
B.
have no salt in their bodies.
C.
cannot take in water.
D.
have frequent fainting spells.
【单选题】Choose a better version of paraphrase of the following sentence. And it is an activity only of human.
A.
And it is an activity which is only of humans
B.
And conversation is an activity that can only be done by human beings.
C.
And conversation is a human activity.
【简答题】提交需求获取阶段的问卷、访谈及其分析结果。 按组提交,说明各个组员的具体工作。
【单选题】The human body can tolerate only a small range of temperature, especially when the per- son is engaged in vigorous activity. Heat reac- tions usually occur when large amounts of water and/or salt are ...
A.
unconsciousness
B.
profuse sweating
C.
hot, dry skin
D.
a weak pulse
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