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（本小题满分12分） 已知等差数列{ a n }中 a 2 =8, S 10 =185. (1)求数列{ a n }的通项公式 a n ； (2)若从数列{ a n }中依次取出第2，4，8，…，2 n ,…项，按原来的顺 序排成一个新数列{ b n }，试求{ b n }的前 n 项和 A n .
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举一反三
【单选题】已知 int x=3,n=5; ,则以下与其他三组输出不同的一组语句是 ______ 。
A.
x++;printf("%d\n",x);
B.
n=x++;printf("%d\n",n);
C.
++x;printf("%d\n",x);
D.
n=++x;printf("%d\n",n); an>
【单选题】In air cargo transportation, ( ) are rates which are applicable to named type of air cargo.
A.
General Cargo Rates
B.
Class Rates
C.
Bulk Unitization Rates
D.
Specific Commodity Rates
【单选题】Why did Kyle later give up committing suicide?
A.
Because he realized if he had done so, he would have missed many wonderful things in life.
B.
Because Mark tried all his best to persuade him not to.
C.
Because his mother found out about the sleeping pills and took them away.
D.
Because he and his girlfriend finally made up.
【单选题】In international air cargo transportation,( ) are rates which are applicable to named types of air cargo.
A.
General Cargo Rates
B.
Class Rates
C.
Bulk Unitization Rates
D.
Specific Commodity Rates
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