飞机上的乘员禁止开启和使用与航空器正常飞行无关的主动发射无线电信号的便携式电子设备,包括()。
A.移动电话
B.对讲机
C.遥控玩具
D.助听器
参考答案:A, B, C
某企业投资的建设项目采用“设计一采购一施工”工程总承包模式,下列各项管理职能中属于业主方决策职能的是( )。
A.办理建设项目立项审批
B.选择工程总承包单位
C.选择设计单位
D.选择施工总承包单位
E.设计文件的认可
用括号内动词的适当形式填空。
1. Mrs. Green often (walk) in the park after dinner.
Look! She (walk) in it today.
2. — Mike usually ____ (write) to you?
—Yes, he . I (read) his letter now.
3. My brother (have) some CDs.
4. Who (dance) under the big tree at the moment?
5. Our English teacher (be,not) in his office.
He (give)a lesson in the classroom