It is necessary that dental Atechnicians and others Bworking with X-rays limit C

游客2025-02-04 17

问题 It is necessary that dental Atechnicians and others Bworking with X-rays limit Ctheir exposure to Dthis highly penetrating rays.

选项 A、
B、
C、
D、

答案 D

解析 This is a singular demonstrative. The plural form is needed before highly penetrating rays. Correction: these

转载请注明原文地址:https://tihaiku.com/zcyy/3942877.html

相关试题推荐

随机试题

最新回复(0)

IndividualPerformanceandthePresenceofOthersP1:Aperson’sperformanceon