从事辐射工作的人员必须通过辐射安全和防护专业类知识及相关法律法规的培训和考核,其中辐射安全关键岗位应当由注册核安全工程师担任。
参考答案:对
To people's great surprise, in Japan Earthquake, a young man ________ the big earthquake under the ruins where he stayed 7 days without anything to eat.
A.lived
B.stayed
C.survived
D.remained
基本农田,基本农田以外的耕地超过45公顷的,其他用地超过70公顷的,由国务院审批。()