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【单选题】
20℃时，将36gNaCl完全溶解在100g水中恰好形成饱和溶液。下列有关叙述中正确的是 [ ]A.
20℃时NaCl的溶解度为36
B.
该溶液中溶质的质量分数为36％
C.
向该溶液中再加入2g固体NaCl，则溶液质量为138g
D.
向该溶液中加入10g水，则溶液变成不饱和溶液
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【单选题】 Martin and Mary like to read story-books____________ pictures____________ them.
A.
with…on
B.
have…on
C.
with…in
D.
have…in
【单选题】Alexander lives in an apartment building and gets a $250 benefit from playing his stereo. Mary, who lives next door to Alexander and often loses sleep due to the loud music coming from Alexander’s st...
A.
an amount less than $100
B.
an amount between $100 and $250
C.
an amount between $250 and $350
D.
Any amount could result in both parties benefiting from the agreement.
【单选题】符合甲状腺功能亢进面容的描述是
A.
面色潮红,表情痛苦
B.
面色憔悴、灰暗,双目无神
C.
面容惊愕,眼球突出
D.
面容晦暗、双颊暗红,口唇发绀
E.
面如满月,皮肤发红
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