秋冬之际,由于天气逐渐变冷,牧场上的草以固定的速度在减少。已知一个牧场上的草可供45头牛吃4天或可供25头牛吃6天。照此计算,这个牧场可供几头牛吃10天?
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I’ve already told you that I′ m going to buy it, ____________
A. however much it costs
B. how much does it cost
C. however does it cost much
D. no matter how it costs
'May I speak to your manager Mr. Williams at five o′clock tonight?' 'I′m sorry. Mr. Williams ___________ to a conference long before then.'
A. have gone
B. would have gone
C. had gone
D. will have gone
The project, ___________ by the end of 2020, will expand the city′ s telephone network to cover 1,000,000 users.
A. accomplished
B. being accomplished
C. to be accomplished
D. having been accomplished
On November 19,1863, Abraham Lincoln went to Gettysburg in Pennsylvania to speak at the National Soldiers Cemetery. The Civil War was still going on. There was much criticism of President Lincoln at t
A. an immediate success
B. warmly applauded
C. a total failure
D. not well-received at first