下列元素中，原子半径最大的是（） A．Li B．Na C．F D．Cl

晓镜但愁云鬓改，夜吟应觉月光寒。（），青鸟殷勤为探看。

第二节 完形填空(共20小题；每小题。1.5分，满分30分)

阅读下面短文，掌握其大意，然后从36～55各题所给的四个选项(A、B、C和D)中，选出最佳选项。

What can you do to make sure your car isn't stolen? Well, first and most obviously, ____36____ the car when you leave it. That includes locking the boot for luggage and closing all the windows. Even a ____37____ break allows a thief to insert a wire to force open the lock button. Of course, don't leave the keys hanging in the ignition (点火器). And don't hide a ____38____ key inside or outside the car — thieves know all the hiding places. If your car ____39____, lock up before you go for help. ____40____ you can't start the car, a thief may be able to.

Now since dusk to mid-evening are the ____41____hours for car thieves, make sure you park in a ____42____ area, where there are plenty of passers-by, ____43____, near a busy store or a restaurant. Avoid leaving your keys with a garage or parking-lot assistant: choose the place you park ____44____.

Keep your driver's license in your wallet or purse, ____45____ in some small separate divisions of your car. You should also have a record of your car's ____46____ statistics both in your wallet and ____47____ at home. This can help with recovery ____48____ stealing.

And finally, it's a good idea to ____49____ some kind of safety equipment. There is a ____50____ available from alarm systems that set off a siren (警报) if an ____51____ is made to force open the car ____52____ any way, to fuel shut-off systems and time delay ignition systems. A warning sign will also help ____53____ would-be thieves. They don't want to waste time on trying to steal a ____54____ car.

So, help yourself put car thieves out of ____55____ by always locking your car, fixing anti-stealing systems and co-operating with the police by reporting any attempt at stealing.

36. A. start     B. open   C. lock    D. stop

37. A. big       B. tiny    C. cosy    D. long

38. A. useful   B. special       C. different     D. spare

39. A. breaks down B. breaks up   C. breaks in    D. breaks out

40. A. Only if B. If only       C. Even if      D. As if

41. A. tiresome      B. golden       C. dangerous   D. nervous

42. A. well-organized    B. well-known       C. well-educated    D. well-lighted

43. A. say       B. speak  C. tell     D. talk

44. A. oneself B. itself   C. yourself     D. himself

45. A. nor       B. not     C. or       D. either

46. A. extra    B. accurate     C. common     D. vital

47. A. somewhere   B. anywhere   C. everywhere D. nowhere

48. A. instead of     B. in case of   C. on account of     D. for fear of

49. A. clean    B. stick   C. fix      D. repair

50. A. category      B. design C. branch       D. range

51. A. announcement     B. attempt      C. expression  D. explanation

52. A. in  B. on      C. by      D. with

53. A. encourage    B. inspect       C. inspire       D. discourage

54. A. protected     B. decorated   C. furnished    D. examined

55. A. control B. sight   C. business     D. order

一等臂杠杆，两边分别挂着实心的铝球和铜球，杠杆处于平衡状态，然后使两球同时浸没在水中，则杠杆（　　）

A．仍然平衡

B．不再平衡，铜球一端下沉

C．不再平衡，铝球一端下沉

D．无法确定

南渡江、昌化江、万泉河为海南岛三大河流，均发源于（）。

A.雅加大岭山区

B.五指山区

C.吊罗山山区

D.鹦哥岭山区

园长对教师的工作进行检查后，写出简短评语，这种评定法是定性评价。