1 The dentist has decided to extract her bad tooth.
A pull out
B repair
C take
D dig
2 The child’s abnormal behavior puzzled the doctor.
A funny
B frightening
C repeated
D unusual
3 Gunpowder was used extensively in firearms prior to 1990
A in
B around
C from
D before
4 Human facial expressions differ from those of animals in the degree to which they can be deliberately controlled and modified.
A sufficiently
B noticeably
C intentionally
D absolutely
5 Foreign money can be converted into the local currency at this bank.
A altered
B changed
C bought
D sold
参考答案 ADDCB