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【单选题】
一只日光灯和一只白炽灯并联接在f=50Hz、电压U=220V的电源上，日光灯的额定电压UN=220V，取用功率P1=40W，其功率因数cos 1=0.5；白炽灯的额定电压UN=220V，取用功率P2=60W，线路总电流I为( )A。A.
0.252
B.
0.352
C.
0.452
D.
0.552
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皮皮学刷刷变学霸
举一反三
【单选题】Whether the investment funds can be redeemed or not, we can divided the fund into
A.
company type fund and contract fund
B.
equity funds and bond funds
C.
public fund and private fund
D.
closed-end funds and open-end funds
【简答题】2019年12月四级真题第二套选词填空(原文略)
【简答题】2016年级真题第一套-翻译.docx
【单选题】The use of borrowed funds to supplement existing funds for purposes of investment is called:
A.
arbitrage.
B.
leverage.
C.
convergence.
D.
intermediation.
【单选题】An investment intermediary that lends funds to consumers is
A.
a finance company.
B.
an investment bank.
C.
a finance fund.
D.
a consumer company.
【单选题】In mutual funds, investment in emerging foreign equity markets
A.
represents less than one percent of investments in U.S.-based mutual funds.
B.
represents about five percent of investments in U.S.-based mutual funds.
C.
represents more than twenty percent of investments in U.S.-based mutual funds.
D.
declined during the 1990s.
【简答题】2016年级真题第一套-选词填空.docx
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