为保证天平的干燥，以下物品能放入的是（）A、蓝色硅胶B、石灰C、乙醇D、木炭E、活性

选字组词。

（辨　辩）论　　上（钩　钓）　　严（历　厉）　　（抉　决）择

摆（脱　拖）　　后（悔　诲）　　（导　异）常　　素（净　静）

磨（练　炼）　　（洪　宏）伟　　外（滨　宾）　　华（侨　桥）

按照规定，失业人员失业前所在单位和本人累计缴费时间不足1年的，领取失业保险金的最长期限为( )。

A．12个月

B．6个月

C．3个月

D．0个月

阅读理解。

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

      1  This date was the old mid-winter festival in pre-Christmas times, around the time of the longest night

and the shortest day. Christmas in the 21st century has many traditions: Christmas trees, cards and presents.

Shops can make about 60 percent f their year's income in the three months before Christmas, so most shops

get ready for it in October.   2   The first time this happened was in 1867 when Macy's famous shop in New

York, stayed open until midnight on Christmas Eve.

     By mid-December, almost every shop and street has a Christmas tree.   3   In the northern countries, winter

is cold and dark and most trees are decorated with lights and colored glass balls give people hope that spring

will come.

     Father Christmas is known across the world with his white hair, red coat and big bag of toys. Young

children are told that he lives in the north of Finland and makes toys for them.   4   

     On Christmas Day a traditional meal is eaten, usually a turkey and a rich, spicy cake. Some people hate

Christmas.   5   They love seeing family and friends; they also love the traditions. Love it or hate it, Christmas

is a time to look back over the old year and forward to the new one.

A. This tradition was started by the Germans as early as 700 AD.

B. Believe it or not.

C. Since about 400 AD, Christmas Day has been celebrated.

D. Others feel it is a magical and exciting time.

E. The shopping centers are beautifully decorated and stay open late at night.

F. It was really beautiful indeed.

G. By tradition, he brings the toys to children at night, on the night before Christmas.

某机器的能量流向图如图所示，据此推测该机器可能是（ ）

A．热机

B．电动机

C．发电机

D．电热水器

唐三彩是一种低温铅釉（）器。因为它经常用（）等色釉，在器皿上构成花朵、斑点或几何纹等各种色彩斑斓的色釉装饰，所以称为三彩