【单选题】Though he tried many ways to solve the problem, ______ worked; he decided to turn to his tutor for help. [ ]
【判断题】生态文明建设必须坚持保护资源和治理环境的基本国策。
【单选题】关于跨膜信号转导的两种主要方式,下列哪种说法是错误的?
A.
一些第二信使类物质可以调节某些通道蛋白质的功能
B.
被某种受体激活了的G蛋白可直接作用于膜上的通道结构
C.
一种外来化学信号分子只能作用于一种跨膜信号转导系统
【单选题】In the last paragraph, what does the sentence 'He belongs to the world' mean?
A.
Because he mastered six languages and had been to many countries.
B.
Because he became the friend of all humanity as a man.
C.
Because he was a scientist, he tamed lightning he invented lightning rod (避雷针), and gave light to all the world.
D.
Because he was showered with all the high degrees the colleges of the world could give.
【单选题】is known to all that the Amber Room belongs to the Russians.
【简答题】The following are two types of attitudes toward creativity and basic skills. Which one belongs to the Chinese and which one belongs to the Westerners? A) giving priority to developing skills at an ear...
【单选题】The man had no choice but ________ the fact that he was not good at math and decided to turn to something else. [ ]
【单选题】Which of the following newspapers belongs to the United States?
A.
The Wall Street Journal.
【单选题】The following are two types of attitudes toward creativity and basic skills. Which one belongs to the Chinese and which one belongs to the Westerners? A) giving priority to developing skills at an ear...
【单选题】______about the exam that he decided to turn to Mr. Zhang for help.