1.I think_necessary for everybody to take aaction to protect the environment.a. that b. what c. it d. its2. mike was offered a job as a manager in a big copany in this city. that's_he came here. a. how b.what c.why d. because

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1.I think___necessary for everybody to take aaction to protect the environment.a. that b. what c. it d. its2. mike was offered a job as a manager in a big copany in this city. that's___he came here. a. how b.what c.why d. because
1.I think___necessary for everybody to take aaction to protect the environment.
a. that b. what c. it d. its
2. mike was offered a job as a manager in a big copany in this city. that's___he came here.
a. how b.what c.why d. because

1.I think___necessary for everybody to take aaction to protect the environment.a. that b. what c. it d. its2. mike was offered a job as a manager in a big copany in this city. that's___he came here. a. how b.what c.why d. because
第一题答案为c 在这里,it做形式宾语,指代后面的不定式to take an actionto protect the environment.
第二题答案为c why表示原因,整句话译为,在这个城市,迈克得到了一家大公司经理的工作,这也是他会来这里的原因

1.c2.c

1.D it's+adj+to do sth. 2.C

1.d
2.c

用学过的英语单词填空.1.( )i( ) 2.( )i( ) 3.( )i( )( ) 4.( )i( )( ) 5.( )i( )( )( ) 6.( )i( )( )( ) 7.( )i( )( )( )( )8.( )i( )( )( )( ) 复数的计算1.i* i^2 * i^3 *.* i^20082.(1+i)^15+(1-i)^15/(1+i)^14-(1-i)^14 计算：1. (1-i)/(1+i) 2. (3+2i)/(4-3i) ( )the ninth letter.选择：1.I am2.I am3.I is4.Iis i i I I, I I I i i i i -I I i