To prevent the spread of the epidemic, the public health organization carries out frequent
A.inspection
B.investigation
C.observation
D.examination
A.inspection
B.investigation
C.observation
D.examination
第1题
A.prevent…from spreading
B.prevent…to spread
C.protect…from spreading
D.protect…to spread
第2题
A. to prevent
B. preventing
C. prevent
第3题
A.How to cover the cost of their legal fees.
B.How to prevent Nikki's sisters from using websites.
C.How to prevent the remaining photos on the Web from spreading.
D.How to prevent this from happening to anybody else.
第4题
A series of measures______(已经被采用)to prevent air pollution.
第6题
A.Y
B.N
C.NG
第7题
be worn.
第8题
raft.
A.unauthorized
B.unactivated
C.unscreened
D.Unscheduled
第9题
We must express our views clearly to prevent media ______ and public confusion.
A.disturbance
B.setback
C.controversy
D.distortion
第10题
第11题
A.prevent
B.anticipate
C.discourage
D.prompt