That is the only thing ______ I can do n

齿轮传动与皮带传动相比，其优点是（）

A.加工制作简便

B.传动比不变

C.传动噪声小

D.不易损坏

链传动结构（），可同时传动多根（）的轴。

Are you looking for some new and exciting places to take your kids (孩子) to? Try some of these places:

. Visit art muvewns. They offer a variety of activities to excite your kids' interest. Many offer workshops for making land-made pieces, traveling exhibits, book signings by children's favorite writer, and even musical performances and other arts

Head to a natural history museum. This is where kids can discover the past from dinosaur(恐龙) models to rock collections and pictures of stars in the sky. Also, ask what kind of workshops and educational programs are prepared for kids and any special events that are coming up.

Go to a Youtheater. Look for one in your area offering plays for child and family visitors. Pre-show play shops are conducted by area artists and educators where kids can discover the secret about performing arts- Puppet(木偶)making and stage make-up are just a couple of the special offerings you might find.

Try hands-on science. Visit one of the many hands-on science museums around the country. These science play-lands are great fun for kids and grown-ups alike. They'll keep your child mentally and physically active the whole day through while pushing buttons, experimenting, and building. When everyone is tired, enjoy a fun family science show, commonly found in these museums.

小题1:If a child is interested in the universe, he probably will visit        

A．a Youtheater

B．an art museum

C．a natural history museum

D．a hands-on science museum小题2:What can kids do at a Youtheater?

A．Look at rock collections.

B．Watch puppet making.

C．See dinosaur models.

D．Give performances.小题3:Where does this text probably come from?

A．A science textbook.

B．A tourist map.

C．A museum guide.

D．A news report.

泰昌房地产公司从某市政府以出让方式获得市郊一块土地使用权进行房地产开发。出让合同中规定，泰昌公司应至迟于2000年10月10日破土动工，对该土地进行开发。由于房地产市场行情下跌，公司领导于2002年9月决定暂停该房地产开发项目，对房地产市场采取观望态度，2004年12月，泰昌公司以缺乏资金为由，请求将土地使用权转让给金利土地综合开发公司用于修建高尔夫球场。下列说法中不正确的是：（）

A．应对泰昌公司征收相当于土地使用权出让金20%以下的土地闲置费 

B．市人民政府可无偿收回该土地使用权 

C．金利公司若取得该土地使用权用于修建高尔夫球场，必须取得市政府同意 

D．金利公司若取得该土地使用权用于修建高尔夫球场，必须取得市政府城市规划行政主管部门的同意

[案例五]初产妇，40周妊娠临产10小时，已破膜7小时，宫缩规律，30"/4’～5’，胎心150次/分，羊水Ⅰ度污染。 * * 检查：宫口开大5cm，S=0，矢状缝在右斜径上，小囟门在7点处，坐骨棘稍突，坐骨切迹＞2横指，骶骨浅弧型。

下列哪些诊断是正确的

A．持续性枕后位

B．ROP

C．中骨盆狭窄

D．胎儿窘迫

E．继发性宫缩乏力

F．40周妊娠临产

G．胎膜早破