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【判断题】
( ) 使用快换钻夹头,可做到不停车换装刀具。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【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.
【单选题】按照皮亚杰的发生认识论,下列三种游戏水平由低到高排列,正确的是( )。
A.
练习性游戏、象征性游戏、规则性游戏
B.
象征性游戏、练习性游戏、规则性游戏
C.
练习性游戏、规则性游戏、象征性游戏
D.
规则性游戏、练习性游戏、象征性游戏、
【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.
【简答题】He was so weak that he was out of breath after walking for only a few minutes.
【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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