如图所示为一段某质点做匀变速直线运动的位移随时间变化图线，从图中所给的数据可以确

小题1:Many stores had their Christmas trees d__________ with colorful lights.

小题2:There is no d__________ that the earth is becoming warmer and warmer.

小题3:It is well-known that London will h__________ the Olympic Games in 2012.

小题4:Women were not allowed to c__________ in the ancient Olympics.

小题5:She s__________ the car to stop by raising her hand.

小题6:Can you __________ (探索) the market possibility for us?

小题7:A bird was seen __________ (停歇) in the big tree.

小题8:Don’t cheat me! I can __________ (听出) your voice.

小题9:Try to __________ (说服) your classmate to get away from online games.

小题10:We are looking for someone who is __________ (可靠的) and hardworking.

下列关于痹证的各项叙述中，错误的是（）

A.主症是肢体关节、肌肉疼痛，屈伸不利

B.痹证晚期可出现关节变形

C.痹证晚期不会出现肌肉萎缩

D.发病与天气变化有关

E.本病可发生于任何年龄

如果无差异曲线上任何一点的斜率=，则意味着当消费者拥有更多的商品x时，愿意放弃（）单位商品x而获得1单位的商品y。

A.

B.1

C.1/2

D.2

小海同学游泳时排开水的体积为0.05米³，求他受到的浮力大小．

对机电产品国际招标项目进行评标时，若采用综合评价法，其中的价格评价应当符合( )的原则

A．高价优先

B．低价优先

C．适度合理

D．公正公开

E．经济节约