The author indicates that Arnold Guyot




A.invented the fathometer
B.taught at Princeton University
C.was Harry Hess’s instructor
D.named the guyot after himself

___________(35)




A.profit
B.takings
C.receipts
D.loot

___________(26)




A.having
B.out
C.been
D.being

How many people were dead and missing?




A.
B.
C.
D.

Which of the following is NOT given as an advantage of using biological agents over chemical herbicides?




A.They are less likely to destroy desirable plants.
B.They are more easily available.
C.They do not have to be used as often.
D.They are safer for workers.

We can protect the world in which we live. We, for example, can grow more trees and recycle rubbish.




A.We can protect the world in which we live as well as we can grow more trees and recycle rubbish.
B.We can protect the world in which we live, growing more trees and recycle rubbish.
C.We can protect the world in which we live by growing more trees and recycling rubbish.
D.We can protect the world in which we live such as growing more trees and recycling rubbish.

The film started a few minutes ago,__________? (didn’t it / did it / does it / doesn’t it)




A.
B.
C.
D.

A small fish needs camouflage to hide itself _________its enemies cannot find it.




A.therefore
B.so that
C.due to
D.because

This is ________you have ever made.




A.a more silly mistake than
B.the silliest mistake
C.the most silliest mistake
D.a sillier mistake than

Lan doesn't have a sister. => Lan wishes ____________________________________ .




A.
B.
C.
D.