读下图，折线①、②、③、④表示的地区判断正确的是

A．①--极点；②--极圈；③--53.5°N；④--赤道

B．①--极圈；②—70°N；③—60°N；④--回归线

C．①--极点；②—60°N；③--53.5°N；④—12°N

D．①--极圈；②--53.5°N；③—30°N；④--赤道

根据课文完成下列句子。(共5题，每小题1分，满分5分)

81. 被挑选的琥珀有着像蜜糖一样的黄褐色。

The amber which was          had a beautiful yellow-brown colour like honey.

82. 只有达到他们各自项目统一标准的运动员才会被接受参加奥运会。

Only          who have reached thee agreed standard for their event will be admitted as competitors.

83. 我甚至被安装在太空火箭中并发射来探测月球和火星。

I have even been put into space rockets and sent to          the Moon and Mars.

84.请带我去那遥远的陆地，在那里能找到提供毛皮制作这件毛衣的动物。

Please take me to the         land where I can find the animal that gave fur to make this sweater.

85.音乐家们除了演奏音乐，还彼此打趣逗笑。

The musicians were to play          on each other as well as play music.