机电工程项目工程开工前，()要将工程概况、施工方法、安全技术措施等向全体职工进行详细交底。
A. 项目负责人
B. 工程技术负责人
C. 项目经理
D. 项目工程师
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用于蒸馏、抽提、吸收、精制等分离过程的工艺设备，广泛用于气—液与液—液相间传质、传热的是()。
A. 塔类设备
B. 换热器
C. 反应器
D. 储存容器
《中华人民共和国电力法》对电力设施保护区为施工作业的规定，说法错误的是()。
A. 制定电力设施保护区为施工方案前先要摸清周边电力设施的实情
B. 电力管理部门应当对电力设施保护区设立标志
C. 在电力设施保护区内施工作业，往往发生在建设项目红线范围内
D. 电力设施保护区内施工方案编制完成后，报经电力管理部门批准后执行
On March 29 this year, people in many cities around the world__________.
A. turned out some lights for an hour
B. organized an event to have some fun
C. held a demonstration called“Earth Hour”
D. joined together to compete with Australians
The author’s pride comes from the fact that _________.
A. he has become the owner of the ranch
B. he has earned complete trust from Bill
C. he has found a way to support himself
D. he has been able to offer help to others
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