Chinese people are now enjoying better dental health，as shown by the -考呗网题库移动版

单选题 Chinese people are now enjoying better dental health，as shown by the Declinin9__________of tooth decay．

A．Treatment
B．incidence
C．consequence
D．misfortune

参考答案A

解析: 关键词better dental health，所以tooth的修饰词语应该是与“治疗”有关。答案是A。

单选题 Many countries have conservation programs to prevent certain__________0f fish from　becoming extinct．

A．Species
B．Sources
C．numbers
D．members

单选题 Susan never took any cookery courses．she learned cooking by__________useful tips from TV cookery programs．

A．picking up
B．bringing up
C．putting up
D．pulling up

单选题 The President__________his deputy to act for him while he was abroad．

A．Promoted
B．substituted
C．authorized
D．displaced