复方炔诺酮片属于哪一类避孕药A．长效口服避孕药 B．男用避孕药 C．探亲避孕药 D．

按照要求完成句子。

1. What don't you like about this CD? (改为同义句)

    What _____ you _____ about this CD?

2. I prefer music that has great lyrics. (改为同义句)

    I _____ music that has great lyrics _____.

3. What do you think of it?(改为同义句) 

    _____ do you _____ it?

4. I prefer singers. The singers write their own lyrics. (合并为一个句子)

    I prefer singers _____ _____ their own lyrics.

5. I prefer groups. The groups play quiet and gentle songs. (合并为一个句子)

    I prefer groups _____ _____ quiet and gentle songs.

含菲醌类色素化合物

A．体轻，质松，易折断，断面粉质，显疏松层纹
B．质松而韧，横断面可见外层为海绵状物，内层为许多小室，室内有卵
C．质硬而脆，断面平坦，外层白色，中间有亮棕色或亮黑色的丝线环4个
D．体轻，中空，易碎，表面黄棕色半透明
E．体轻，骨质坚硬，“马头，蛇尾，瓦楞身”

控制项目目标的主要措施中，最重要的措施是( )。

A．管理措施

B．经济措施

C．技术措施

D．组织措施

标准差系数消除了（）

A.总体单位数多少的影响

B.平均数大小和计量单位的影响

C.离散程度的影响

Two men are battering each other to pulp in the boxing ring.