题目内容
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[单选题]
We can imagine （) interesting it must be to travel in space.
A.what
B.where
C.how
D.that
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题目内容
（请给出正确答案）
A.what
B.where
C.how
D.that
答案
更多“We can imagine （) interesting it must be to travel in space.”相关的问题
第1题
A、ignore
B、neglect
C、imagine
D、impress
第2题
A.there are
B.there has been
C.there were
D.we have
第3题
A.what did we have awful weather
B.what awful weather did we have
C.what awful weather had we had
D.what awful weather we had
第4题
The last paragraph is mainly written to______.
A．prove that children aren" t as hard as we imagine
B．prove that adults can learn a lot from children
C．show that children enjoy playing with adults
D．show that our efforts on children are rewarding
第5题
It is difficult to imagine what life would be like without memory. (79)The meanings of thousands of everyday perceptions, the bases for the decisions we make, and the roots of our habits and skills are to be found in our past experiences, which are brought into the present by memory. Memory can be defined as the capacity to keep information available for later use. It includes not only "remembering" things like arithmetic or historical facts, but also involving any change in the way an animal typically behaves. (80)Memory is involved when a rat gives up eating grain because he has sniffed something suspicious in the grain pile.Memory is also involved when a six-year-old child learns to swing a baseball bat. Memory exists not only in humans and animals but also in some physical objects and machines. Computers, for example, contain devices for storing data for later use. It is interesting to compare the memory-storage capacity of a computer with that of a human being. The instant-access memory of a large computer may hold up to 100,000 "words"—ready for instant use. An average U. S. teenager probably recognizes the meaning of about 100,000 words of English. However, this is but a fraction of the total amount of information which the teenager has stored. Consider, for example, the number of faces and places that the teenager can recognize on sight. The use of words is the basis of the advanced problem-solving intelligence of human beings. A large part of a persons memory is in terms of words and combinations of words.
According to the passage, memory is considered to be______.
A．the basis for decision making and problem solving
B．an ability to store experiences for future use
C．an intelligence typically possessed by human beings
D．the data mainly consisting of words and combinations of words
第6题
将英语短文译为中文
3 Self-Powered Nanotech (10分)
Nanosize machines need still tinier power plants
By Zhong Lin Wang
The watchmaker in the 1920s who devised the self-winding wristwatch was on to a great idea: mechanically harvesting energy from the wearer’s moving arm and putting it to work rewinding the watch spring.
Today we are beginning to create extremely small energy harvesters that can supply electrical power to the tiny world of nanoscale devices, where things are measured in billionths of a meter. We call these power plants nanogenerators. The ability to make power on a minuscule scale allows us to think of implantable biosensors that can continuously monitor a patient’s blood glucose level, or autonomous strain sensors for structures such as bridges, or environmental sensors for detecting toxins — all running without the need for replacement batteries. Energy sources are desperately needed for nanorobotics, microelectromechanical systems (MEMS), homeland security and even portable personal electronics. It is hard to imagine all the uses such infinitesimal generators may eventually find.
In Brief
★Nanotechnology has huge potential — but those minuscule devices will need a power source that is better than a battery.
★ Waste energy, in the form. of vibrations or even the human pulse, could provide sufficient power to run such tiny gadgets.
★ Arrays of piezoelectric nanowires could capture and transmit that waste energy to nanodevices.
★ Medical devices will likely be a major application. A pacemaker’s battery could be charged so it would not need replacing, or implanted wireless nanosensors could monitor blood glucose for diabetics.
第7题
You can hardly imagine the difficulty the single mum had ______ her children.
A．brought up
B．to bring up
C．bringing up
D．to have brought up
第8题
You can hardly imagine the difficulty the single mum had ______ her children.
A. brought up
B. to bring up
C. bringing up
D. to have brought up
第9题
B.how excited they were
C.how excited they have
D.they were how excited
第10题
A.Yes, absolutely
B.No, not yet
C.Sorry, I can‟t imagine that
D.Yes, I don‟t think I can。
第11题
B.solving/discussing
C.to solve/to talk about
D.solving/being discussed
