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问题 选择题

一年中北半球人的影子最长的一天是（　　）

A．6月22日

B．9月23日

C．12月22日

D．3月21日

答案

每年的12月22日前后，太阳直射在南回归线上，是北半球的冬至日，此时北半球太阳高度最低，影子最长．故选项C符合题意．

故选：C．

单项选择题

以下(大于10m3的)设备基础，( )的单价(元/立方米)最低。

A．毛石混凝土基础
B．毛石预拌混凝土基础
C．现浇钢筋混凝土基础
D．预拌钢筋混凝土基础
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单项选择题

One day while a girl was walking in the woods she found two starving songbirds. She took them home and put them in a small (31) . She cared for them and felt great love for them.

Once the (32) and per of the two birds flew from the cage. Therefore, (33) he flew close, she grasped him (34) . She felt glad, but suddenly she felt the bird go limp. She opened her hand and (35) in horror at the dead bird.

She noticed the other bird moving back and forth on the edge of the cage. She could feel his great need for (36) . She lifted him from the cage and (37) him softly into the air. The bird circled once, twice, three times.

The girl watched delightedly at the bird’ s enjoyment. Her heart was no longer (38) with her loss. Suddenly the bird flew closer and (39) softly on her shoulder. It sang the sweetest melody that she had ever heard.

The fastest way to (40) love is to hold on it too tightly, while the best way to keep love is to give it WINGS!

38（）

A.packed 

B.concerned 

C.marked 

D.lined
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