【简答题】由于网络营销的(
) ,使其真正实现了全程营销。A. 成长性 B. 双向互动性 C. 技术性 D. 跨时空性
【单选题】通常当变压器负荷率不大于85%时,其无功功率损耗可概略估算为______kvar。
【单选题】通常当变压器负荷率不大于85%时,其无功功率损耗可概略估算为( )。
A.
△QT≈(0.25~0.3)Sjs(kvat)
B.
△QT≈(0.2~0.25)Sjs(kvar)
C.
△QT≈(0.15~0.2)Sjs(kvar)
D.
△QT≈(0.05~0.08)Sjs(kvar)
【单选题】There are many tasks for me______today.
【简答题】土壤具有( )是土壤最本质的特征 A肥力 B有机质 C矿物质 D水分
【单选题】由于网络营销的双向互动性,使其真正实现了
【单选题】There are many different kinds of tasks for students to do while they are listening to a passage. Which of the following is NOT while-listening activities?
C.
Listening for specific information
D.
No specific responses.
【单选题】There are many different kinds of tasks for students to do while they are listening to a passage. Which of the following is NOT while-listening activities?
C.
Listening for specific information
【简答题】土壤具有______是土壤不同于其他自然物质最本质的特征。