答案：为人民服务。
A. to rise
B. rising
C. to raise
D. to arise
解析：解析:rise 不及物动词;arise 不及物动词 呈现出现 A new difficulty has arisen. 出现了新困难。
A. more
B. very
C. quite
D. even
解析：解析:quite后面只能跟原级。 This one is quite bad.解析:very的用法:1、用于形容词、副词前,加强语气。(非常,十分)解析:very quickly, very soon2、用于形容词最高级或own之前。(十足,完全)解析:the very best quality, six o＇clock at the very latest3、very 表示正是…… Sitting in the very same seat.
A. 重要保障
B. 依靠力量
C. 国际基础
D. 必要条件
A. have you
B. haven’t you
C. do you
D. don’t you
A. put
B. to put
C. putting
D. to be putting
A. would help growing like that
B. keep to grow like it
C. keep growing like that
D. will keep growing like that
A. regard
B. counting
C. account
D. observation
A. deserting
B. deserted
C. desert
D. to be deserted
A. x2+C
B. x2-x+C
C. 2x2+x+C
D. 2x2+C
解析：解析:
