For what a purpose did the researchers use raw potato starch in their experiment？
A. They wanted to observe how the leucocyte levels reduced in the experimental pigs？
B. They wanted to simulate the effects of a diet high in resistant starch.
C. They wanted t。see how much potato an experimental pig ate every day.
D. They wanted to see how much body weight each experimental pig gained in the end.
查看答案
A．processing B．copying C．coloring D．revising
A. processing
B. copying
C. coloring
D. revising
From the second paragraph，we know that
A. Cousteau did not like any scientific definitions．
B. Cousteau wrote many adventure--filled stories．
Cousteau’ s main job was protecting environment．
D. Cousteau’s contributions were not limited to science and engineering．
The navigation computers have one thing in common：they all
A. contain series of maps on videodiscs or Videotapes
B. contain 13，300 maps covering the continental US
C. can be obtained free of charge
D. cost a lot of money
微信支付 
支付宝支付