根据人眼所能感受到的光谱段，光可分为（）和（）两部分。可见光谱依据波长从长到短可分为红、橙、黄、绿、青、蓝、紫七种颜色的光。
参考答案：可见光、不可见光
第二节：单词拼写 (共10个，每个1分，共10分 )
81. Now I can _________ (自信地) tell you that I’m really successful in the research.
82. When he spoke the ________(方言) of hes hometown, he couldn’t make himself understood by others.
It’s good to get back to ________ ( 文明 ) after living in a tent in the remote area for two weeks.
I work for a __________ (商业的) radio station.
The ________ (残留物) of lunch were still on the table.
Zhang Yimou is one of the famous d_________ in China.
Building m_______ are very expensive nowadays..
What are the o_________ languages spoken in HongKong ?
Why on earth didn’t you tell me the t________ ?
I’m afraid I haven’t got a very good s_______ of directions, so I easily get lost.
岩石试件在单向压缩时能承受的最大压应力值，称为岩石的（）向抗压强度。
A、双
B、单
C、多
D、顺
