【判断题】【消耗次数：1】
个体防尘的工具主要是戴防尘口罩
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
以下关于戴N95口罩的表述正确的是？
①
佩戴N95口罩时要做气密性检查
②
佩戴N95口罩，再佩戴一次性医用外科口罩
③
先佩戴一次性医用外科口罩，再佩戴N95口罩
④
先佩戴一次性医用外科口罩，再佩戴N95口罩同时做气密性检查
【单选题】
关于医务人员戴、摘口罩的注意事项，说法错误的是（ ）
随机题目
【单选题】
Twenty-year-olds should not _____ to drive in China.
①
allow
②
be allow
③
be allowed
④
allowed
【单选题】
Our teacher recommended that we ____ as attentive
as possible when we visit the museum.
①
are
②
shall be
③
be
④
were
【单选题】
A good newspaper published both ____ and foreign news.
①
civil
②
domestic
③
democratic
④
national
【单选题】
Its an important component of preschool education to help and instruct young children to develop a positive ______.
①
self-reality
②
self-evidence
③
self-service
④
self-concept
【单选题】
You ____ business interfering with my affairs.
①
have none
②
have no
③
have none of the
④
have nothing like
【单选题】
We looked for a table to sit down, but they were all ____.
①
reserved for
②
engaged in
③
used up
④
taken up
【单选题】
It is ____ with the customer not to let the shop
assistants guess what she really likes and wants until
the last moment.
①
in her honor
②
on her honor
③
a point of honor
④
an honor