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【单选题】
NOTICE The four parking garages for Mansfield Towers will be closed at various times during the last three weeks of June for cleaning and repainting. Please make alternative arrangements for parking during this period. Make sure to inform. the receptionist in the lobby if you are expecting clients from out of town in June. We will issue temporary parking passes for the garage at 5th and Main for our clients. These passes can be purchased for a fee of $2.00 a day during the month of June, but are reserved for regular clients, not employees. There are five spots available for these clients, and these will be assigned on a reservation basis only. Note: Parking on Green St. or Howe Ave. is strictly prohibited. Cars that are illegally parked will be ticketed and towed. For information about other local parking garages call the city help line at 800-555-9000. Where in Mansfield Towers was this notice posted?A.
In the parking garage
B.
In the lobby
C.
In the conference room
D.
In the elevator
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皮皮学刷刷变学霸
举一反三
【多选题】下列属于湿式报警阀组安装与技术检测要求的是（）。
A.
安装在不发生冰冻的场所
B.
过滤器安装在报警水流管路上，其位置在延迟器前，且便于排渣操作
C.
排水管和试验阀安装在便于操作的位置
D.
加速器安装在靠近报警阀的位置，设有防止水流进入加速器的措施
E.
报警阀前后的管道能够快速充满水
【单选题】将一根导线放在均匀磁场中，导线与磁力线方向垂直，已知导线长度L为10m，通过的电流I为50A，磁通密度为B为0.5T，则该导线所受的电场力F为()N。
A.
50
B.
100
C.
200
D.
250
【多选题】关于配戴SCL的注意事项,正确的描述是
A.
依照程序清洁、消毒、冲洗、贮存镜片
B.
不能使用自来水、矿泉水、蒸馏水贮存镜片
C.
镜盒一定要晾干后备用
D.
第一天适应SCL，戴镜时间不应超过6h，以后每天延长2小时
【单选题】You ______ wear sports shoes when you climb a mountain. [ ]
A.
can't
B.
shouldn't
C.
mustn't
D.
have to
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