题目

电视机画面的颜色是由三种色条合成；电视机遥控器可以发出不同的（选填“红外线”“紫外线”），来实现电视机的遥控；适当的（选填“红外线”或“紫外线”）照射有助于人体合成维生素D． 答案：【1】红、绿、蓝【2】红外线【3】紫外线The journey of water on the earth can be a mirror of our own paths through life. Like a river that flows within the boundaries of its banks, we are born with certain characteristics that _ __ our identity. We move through life, _ __ many twists, turns, and barriers along the way just as a river does.Water shows us how to move through the world with grace, bravery, determination, and __ __. Water is brave and does not waste time sticking to its past, but flows onward without looking back. When there is a hole to be filled, water does not run away from it in fear of the dark; _ _, water modestly and bravely fills the empty space. Similarly, we can face the dark moments of our life rather than run away from them._ _, a river will empty into the sea. Water does not hold back from joining up with a larger body, nor does it fear a loss of _ __ or control. It gracefully and modestly falls into the vastness by contributing its energy without hesitation. Each time we move __ _ our personal characters to become part of something bigger, we can try our best to _ _ the lead of the river.1.A. preserveB. assumeC. decideD. cast2.A. competing B. meeting withC. living withD. playing with3.A. modestyB. happinessC. honestyD. reputation4.A. thereforeB. besidesC. otherwiseD. instead5.A. EventualB. AbsolutelyC. RegularlyD. Actually6.A. lifeB. confidenceC. libertyD. root7.A. onB. intoC. acrossD. beyond8.A. takeB. followC. loseD. hold