Profits have risen significantly.是什么时态?

Profits have risen significantly.是什么时态? The sun has risen ,let’s go to have a barbecue.为什么一定要用现在完成时,不能用一般现在时?The sun has risen ,let’s go to have a barbecue.为什么一定要用现在完成时,不能用一般现在时? Income ____ in the past few years.A have raised B rose C have been risen D have risen 1 where__diet,there are fliesA there had been B there wil have C has there been D had just had2 it's reported that by the end of this month,the output of cement in the factory___by about 10%.A will HAVE risen B will be rising C has risen D has been r 高中语法非谓语Oil prices have risen by 32 % since the start of the year,() a record U.S.$ 57.65 a barrel on April 4.A.have reached B.reachingC.to reach D.to be reaching Prices _______ sharply in the past few years.A have raised B have been raised C have been risen D have risen 为什么? The number of the students in Grade Nine -- in the past tow years.这是一道选择题.选项：A.has risen B.have risen C.is risen D.has been risen 有英语达人没,The Social Responsibility of Business is to Increase Its Profits,by Friedman,seems to directly support a free-enterprise society.Friedman’s article argues that corporations do not need to be said to have social responsibility,the Prices______sharply in the past few years.A.has risen B.have been risen C.have been raised D.have raised选哪一项,为什么? If the U.S.had not entered the World War II ,probably the 1940 unemployment rate of 14 percent ( ) still further.A.would riseB.would have risenC.roseD.had risen不是虚拟语气么? windfall profits We have to make our company gain the most profits with the least investments中文意思 请问redemption out of profits是什么意思?原句是：guidence on the legal aspects of the redemption of preference shares out of profits is provided by ASIC's practice note68. RISEN怎么样 英语翻译Japan Tobacoo's profits will instead go up in smoke. as the market continues to change the price of [item] has risen.Importing this good is .as the market continues to change the price of [item] has risen.Importing this good is now more costly,but higher profits can be made from exporting it. 英语翻译Domestic sales have risen by 6% over the last year If the United States had not entered the Second World War,probably the 1940 unemployment rate of 14% ____ still further.A.would rise B.would risen C.would have risen D.had risen这句话含义?