According to the author, among tribal people, ________.
A. children have time to develop at their own pace
B. the parents face the embarrassment not to be able to afford the children's education
C. the parents neglect the growth of their children
D. children can acquire knowledge by playing in the jungles
The root systems of certain plant families, such as that of tulips and crabgrass, ______underground, so that nutrients may be shared along______network.
A. burrow … a cavernous
B. tangle … a deciduous
C. cozen … a photosynthetic
D. fuse … a subterranean
E. abscond … a perennial
MYSTERY: FICTION::
A. line: page
B. edition : book
C. tome: anthology
D. sitcom : drama
E. newspaper : essay
The primary purpose of the passage is to
A. indicate some possible technological benefits to the development of new and varied techniques in nanotechnology
B. argue that science involving the macroscopic tends to be exponentially more difficult than the science of the microscopic
C. defend the use of the bottom-up approach of building molecules as more efficient relative to the top-down approach
D. distinguish two different approaches in nanotechnology and comment on their differences and similarities
E. correct the misconception that the benefits of nanotechnology are likely to be seen in the near future
微信支付 
支付宝支付