The health security systems of many countries are undergoing considerable ______.

1. The health security systems of many countries are undergoing considerable ______.

A. reservation B. transformation C. distinction D. submission

【考点】

名词辨析;

【答案】

您现在未登录，无法查看试题答案与解析。登录

单选题普通

1. The award was established in 1902 as a special for outstanding people in this field.

A. statement B. distinction C. commitment D. instruction

单选题容易

2. He will come to understand your efforts sooner or later. It's just a matter of _____.

A. luck B. value C. time D. fact

单选题容易