"Would you like a glass of beer?" "Not while I'm ___________"




A.in order
B.on duty
C.under control
D.in the act

A.future
B.mature
C.nature
D.pasture

According to the passage, the results of the experiments with kangaroo rats showed that________.




A.Kangaroo rats store water for use during dry periods
B.Kangaroo rats took advantage of free access to water
C.There was no significant change in body weight due to lack of water accessibility to water
D.A dry diet seems detrimental to the kangaroo rat's healthy

The word "it" in the first paragraph refers to________




A.a living thing
B.the desert
C.the opportunity
D.water

The word "poachers" could be best replaced by which of the following?




A.Illegal hunters
B.Enterprising researchers
C.Concerned scientists
D.Trained hunters

_________(57)




A.doing
B.handling
C.dealing
D.solving

_________(52)




A.of
B.for
C.about
D.by

_________(9)




A.who
B.whom
C.whose
D.that

_________(4)




A.got
B.had
C.made
D.Both A and B

Supply the missing prepositions.
Please tell me ............once!




A.at
B.in
C.fot
D.to