21.----I hear that there was a terrible crash in the subway in Shanghai the other day.
----Yes, ______news came as ______shock to all of us.
A. the; the B. a; / C. the; a D. /; a
C考查冠词的用法。第一空表示“特指消息”；第二空指“抽象名词具体化”，a shock意为：一件令人震惊的事。
22. Alibaba has become China’s largest online commercial company, _____ a profit of 1.47 billion yuan in 2010.
A. earns B. earning C. earned D. to have earned
B考查分词作状语。此处现在分词作结果状语，表示自然的结果。
23. None of the underwater workers has been harmed by the great fish. ________, most fish were so friendly that they played with the instruments.
A. Instead B. Even though C. However D. Though
A考查副词的用法及含义。句意：水下工作的工人没有一个被大鱼伤害，相反，大多数鱼很友好以至于他们和和装备玩耍。
