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8.
In France the biofuels … from groundnut, oilseed rape, soybeans and palm
oil.
A. produce B. are produced C. is produced D. to produce
9.
Another promising biotech idea is … the whole plant as a chemical feed-
stock.
A. to use
B. use
C. uses
D. having used
10.
Another switch that may prove crucial … is the move from ethanol to bio-
technologically produced hydrogen.
A. to watch B. watch
C. watching
D. is watched
Достарыңызбен бөлісу: