【单选题】Which of the following is the function that nanoscale motors perform?
A.
rearranging individual atoms
B.
manipulating individual atoms
C.
producing products and process
D.
photosynthesis and muscle concentration
【单选题】第二部分知识运用 (共两节,满分20分) 第一节单项填空(共10小题;每小题1分,满分10分) 从
C.
D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 21 About 5,000 men and women competed for medals in ________ 21st Winter Olympic Games. A a B the C an D /
【单选题】第二部分知识运用(共两节,满分20分) 第一节单项填空(共10小题;每小题1分,满分10分) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 21. When I got up that morning, I found ________ elephant standing by the window.
【判断题】实践作为检验真理的标准是确定和不确定的统一。()
【单选题】The future of spyware is the most promising when it comes to______.
A.
standardizing individual online patterns
B.
overseeing personal online behaviors
C.
diversifying present online patterns
D.
regulating various online behaviors
【单选题】第二部分知识运用 (共两节,满分20分) 第一节单项填空(共10小题;每小题1分,满分10分) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 21. When Li Lei was a small child, he hoped to be ______ policeman after he grew up and finally his dream came...
【单选题】“公说公有理,婆说婆有理。”这种说法的实质是( )。
【单选题】第二部分词汇知识运用(共两节,满分40分) 第一节单项选择(共10小题;每小题1分,满分10分) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。 You’re driving too fast. Have you noticed that there is a speed_______of 40 miles per hour along this road?