在汽车冷气机中，制冷剂在进入冷凝器时，温度约在80～1200C，而在放热后温度是（）

小题1:I like chocolate very much because I have a sweet t________________.

小题2:If we break the traffic rules, we may be d_____________________.

小题3: Jane is very glad to r___________________ a letter from her pen pal.

小题4:In _____________ (south/southern) part of China, people eat a lot of rice.

小题5: Maria arrived ___________ (early/earlier) than me.

小题6: Armstrong is the greatest cyclist, but his way to _________ (success/successful) wasn’t smooth.

小题7:Shall we sell flowers to _____________ (筹集) money for the picnic?

小题8:Beijing Opera is an important part of Chinese ___________________ (文化).

小题9:We should work harder to make our dreams __________ __________ (变为现实)

（9分）在“验证机械能守恒定律”实验中，质量m=1kg的物体自由下落，得到如图所示的纸带。相邻计数点时间间隔为0.04s，则打点计时器打B点时的速度是v_B= 2.125               m/s；从起点O到打下B点过程中，物体的重力势能减少E_P =2.325           J，此过程中物体动能的增加量E_k =2.258           J。（g取10m/s²）

未上釉的大陶瓷砖,瓦,块及类似品

证券公司挪用客户所委托买卖的证券或者客户账户上的资金，属于内幕交易的行为。 ( )

当下滑角为3度时，3.1度处的DDM值约为（）。

A.0.025

B.0.0875

C.0.175