Nowadays, biologists tend to believe that humans
A. occupy the top of the food chain.
B. inhabit the same level as anchovies.
C. rank above autotrophs and herbivores.
D. move up to the trophic level of pigs.
查看答案
Greater London is NOT______of the United Kingdom.
A. the administrative center
B. the most important port
C. the financial center
D. the transportation center
Since the mid-19th century, the Whigs and the Tories became______.
A. the Liberal Party and the Conservative Party
B. the Liberal Party and the Republican Party
C. the Democratic Party and the Republican Party
D. the Democratic Party and the Conservative Party
The highland zone is an area of high hills and mountains in the______of Britain.
A. north and west
B. north and east
C. south and west
D. south and east
One peculiar feature of the feudal system of England was that all landowners took the oath
A. their immediate lord
B. the king
C. either their immediate lord or king
D. their immediate lord and the king as well
微信支付 
支付宝支付