Upon completing an X-ray exposure and turning the equipment off, _____.
A: personnel should wait for a few minutes before entering the exposure area.
B: personnel should wear a lead-lined apron before entering-the exposure area.
C: personnel should enter the exposure area without fear of radiation exposure.
D: personnel should take a reading with a survey meter before entering the exposure area.
A: personnel should wait for a few minutes before entering the exposure area.
B: personnel should wear a lead-lined apron before entering-the exposure area.
C: personnel should enter the exposure area without fear of radiation exposure.
D: personnel should take a reading with a survey meter before entering the exposure area.
举一反三
- Which of the following behaviors is wrong? ( ) A: When the room is dim, accompanying reception personnel should enter the room first. B: When a man and a woman go upstairs or downstairs, they should follow the principle of “gentleman first”. C: When entering and getting off the unattended elevator, the accompanying personnel shall be first in and last out. D: When entering and getting off the attended elevator, the accompanying personnel shall be first in and first out.
- Multinational corporations usually are exposed to three typical kinds of foreign exchange exposure, such as_______。( ) A: transaction exposure, operating exposure, and translation exposure B: accounting exposure, investment exposure, and financing exposure C: accounting exposure,financial exposure, and economic exposure D: transaction exposure,speculative exposure,and precautionary exposure
- Medical workers in general clinics are regarded as_____ A: high-risk exposure people B: moderately high-risk exposure people C: middle-risk exposure people D: moderately low-risk exposure people E: low-risk exposure people
- It is suggested that people ( ) a mask before entering a mall. A: wears B: wear C: should wear D: would wear
- People in supermarkets, shopping malls, lifts and other crowed places are regarded as_____. A: High-risk exposure people. B: Moderately high-risk exposure people. C: Middle-risk exposure people. D: Moderately low-risk exposure people. E: Low-risk exposure people.