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问题 选择题

下列事实或名词与环境污染无关的是（   ）

A．温室效应

B．酸雨

C．光化学烟雾

D．潮汐

答案

答案：D

CO2过多引起温室效应，S、N氧化物的过量排放引起酸雨，而潮汐与环境污染无关。

改错题

Bobby was a dog that went every moming to a baker's shop to fetch twelve bread roll for its owner. However. when Bobby returned back one day, it had only eleven rolls. Bobby's owner wants to know what had happened, but he followed Bobby to the baker's shop the next day Instead taking the road home as usually. Bobby took another road and went up to a farm. There was a poorer little dog with a broken leg. Bobby was offered the roll to the little dog. The owner was very proud of Bobby and rewarded itself a nice big bone. Later, the owner's family never grew tired of tell everybody how kind and clever Bobby was
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单项选择题 A1/A2型题

下列哪种维生素是脂溶性维生素（）

A.维生素C

B.维生素B2

C.维生素B6

D.维生素B1

E.维生素E
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