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【单选题】
下列哪种药物属于解热镇痛抗炎药中的苯胺类()
A.
乙酰水杨酸
B.
非那
C.
D.
酮洛芬
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参考答案:
举一反三
【单选题】等质量的下列物质中,含有分子数目最多的是(H-1  O-16  C-12)(  )
A.
H 2
B.
O 2
C.
H 2 O
D.
CO 2
【单选题】. ________ in one leg, he never had a chance to get a job.
A.
Weak and lame
B.
He was weak and lame
C.
Though weak and lame
D.
Weak and lame as he was
【单选题】Some people like rice, but I prefer ____.
A.
work
B.
a job
C.
sound
D.
bread
E.
a sound
F.
a loaf.
【简答题】(1)下列物质中,物质的量最大的是______,含原子个数最多的是______,质量最大的是______. A.6g H 2 ;        B.0.5mol CO 2 ;          C.1.204×10 24 个HCl分子; D.147g H 2 SO 4 ;   E.92g乙醇(C 2 H 5 OH);    F.4℃时10mL水 (2)在一定条件下,16gA和22gB恰好反应生成C...
【单选题】下列物质中含氧原子最多的是 (相对原子质量 H—1  O—16  S—32)
A.
0.2mol H 2 O
B.
3.01×10 23 个SO 2 分子
C.
49g H 2 SO 4
D.
标准状态下11.2L的O 3
【单选题】Why do some people prefer to rent furniture?
A.
Because the furniture they get in this way is new.
B.
Because it saves them a lot of money.
C.
Because it saves them much trouble and money.
D.
Because they can always get better quality furniture in this way.
【单选题】下列脂质中,在生物膜中含量最多的是
A.
1 )磷脂;
B.
2 )胆固醇;
C.
3 )糖脂;
D.
4 )三酰甘油
【简答题】Some people prefer to stay in the same job for the same company, but others prefer to change jobs frequently. Please write a composition to discuss both sides and give your own opinion. Your compositi...
【简答题】(1)下列物质中,物质的量最大的是________,含原子个数最多的是________,质量最大的是________。 A.3gH 2 ; B.标况下33.6LCO 2 ; C.1.204×10 24 个HCl分子; D.49gH 2 SO 4 ;E.46g乙醇(C 2 H 5 OH);F.4℃时10mL水 (2)在一定条件下,32gA和22gB恰好反应生成C和9gD,在相同条件下,8gA和足量B...
【单选题】He is to lift the heavy box. [     ]
A.
too weak
B.
very weak
C.
weak enough
D.
enough weak
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