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【单选题】
下列各组有机物只用一种试剂无法鉴别的是 [ ]A.
乙醇、甲苯、硝甲苯
B.
苯、苯酚、乙烯
C.
苯、甲苯、环已烷
D.
甲酸、乙醛、乙酸
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】看图写单词。 a. __________ b. __________ c. __________ d. __________
【单选题】'If real interest rates rise faster than inflation, TIPS can lose value if they're not held to maturity.'In the 7th paragraph, this suggests all of the following except that
A.
the market performance of most bonds are rather sensitive to the fluctuation of real interest rates
B.
TIPS is a kind of long-term bond
C.
most traders prefer bonds with a safe rate of return
D.
TIPS tends to be inactive on the market because of light trading of this bond
【单选题】鼻腔的叙述,不正确的是
A.
由骨和软骨围成的腔,内衬粘膜
B.
以鼻后孔通鼻咽
C.
鼻中隔将鼻腔分为左、右对称的二半
D.
鼻阈是鼻前庭和固有鼻腔的分界
E.
鼻前庭皮肤富含皮脂腺和汗腺
【单选题】鼻腔的叙述不正确的是
A.
有骨和软骨围成的腔
B.
以后鼻孔通鼻咽
C.
鼻中隔将鼻腔分为左右对称的两半
D.
鼻阈是鼻前庭和固有鼻腔的分界
E.
鼻前庭皮肤富含皮脂腺和汗腺
【简答题】看图填空： ɑ：b=______：______．
【单选题】Soaring rates of interest have recently made it difficult for young couples to buy their own homes.
A.
rapidly rising
B.
maximizing
C.
overcharging
D.
paddling
相关题目：
【单选题】鼻腔的叙述,不正确的是
A.
由骨和软骨围成的腔,内衬粘膜
B.
以鼻后孔通鼻咽
C.
鼻中隔将鼻腔分为左、右对称的二半
D.
鼻阈是鼻前庭和固有鼻腔的分界
E.
鼻前庭皮肤富含皮脂腺和汗腺