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【单选题】
H2、N2、O2三种气体分别放入三个不同的密闭容器中,当温度、密度完全相同时,这三种气体的压强关系是( )。A.
pH2=pN2=pO2
B.
pH2>pN2>pO2
C.
pH2
D.
不能判断大小
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皮皮学刷刷变学霸
举一反三
【单选题】If a university charged a lower price for tuition during summer school than during the regular session, in search of added total revenue,
A.
administrators likely believe that demand is more elastic during summer school than during the regular session.
B.
administrators likely believe that demand is less elastic during summer school than during the regular session.
C.
it indicates nothing about likely differences in the elasticity of demand during summer school than during the regular session.
D.
administrators likely believe that demand is both lower and less elastic during summer school than during the regular session.
【单选题】企业的采购部门根据过去和许多供应商打交道的经验，从供应商名单中选择供应商企业，并直接重新订购过去采购过的同类产业用品，这种产业购买者的行为类型属于（）
A.
直接重购
B.
修正重购
C.
新购
D.
连续重购
【多选题】根据《产品质量法》的规定，下列何种产品属于该法所称的产品?
A.
农民李某购买的直接用于农业生产的化肥
B.
亦庄别墅群及其用于此建设工程的建筑材料
C.
作为药用的冰毒
D.
电力设备
【简答题】During last summer vocation, I decided to find a part time job (工作，职责). During hast summer vocation, I decided that ______.
【简答题】looking for job during the summer and other students will ______
【单选题】During the summer session there will be a revised schedule of services for the university community. Specific changes for intercampus bus services, summer hours for the cafeteria, the infirmary (校医院) ...
A.
To tell campus personnel of the new library services.
B.
To announce the new movies on campus this summer.
C.
To notify university people of important schedule changes.
D.
To remind the students to validate their identification cards.
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