皮皮学，免费搜题
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【单选题】
胆矾是一种蓝色晶体，化学式是CuSO 4 ·5H 2 O，胆矾受热时易失去结晶水，成为白色的无水CuSO 4 ，在工业上精炼铜、镀铜等都要用胆矾。上述对胆矾的描述中，没有涉及到的是A.
物理性质
B.
制法
C.
用途
D.
化学性质
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皮皮学刷刷变学霸
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【单选题】下列句子中加点字的解释相同的一项
A.
（1）每移案， 顾 视无可置者 （2）三顾臣于草庐之中
B.
（1）日影反照，室始洞 然 （2）吴广以为 然
C.
（1）人至不 去 （2）我从 去 年辞帝京
D.
（1）妪， 先 大母婢也 （2） 先 妣抚之甚厚
【单选题】T he ship______ by a huge piece of iceberg sank with its passengers.
A.
hitting
B.
hit
C.
hitted
D.
to hit
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【简答题】Most people usually traveled by ship and train which are driven by steam engine. It played an important part in many kinds of vehicles several scores of years ago. Who invented steam engine and what u...
【单选题】比较下列两组句子中加点字的解释,理解正确的一项是( )
A.
缺霹雳 ③烟涛微茫信难求
B.
之人兮列如麻 ④自可断来信
C.
①与②相同，③与④也相同 B．①与②相同，③与④不同
D.
①与②不同，③与④也不同 D．①与②不同，③与④相同
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