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【简答题】
?Read this part of a letter from the conference organiser at Greenwood Conference Centre. Thank you for your enquiry about conference facilities at Greenwood. I enclose a brochure containing further details of the accommodation and conference facilities which I mentioned on the phone. I am now able to confirm that Greenwood is available for up to 40 participants on the weekends of 20-22 April and 5-7 May 2001. Please do not hesitate to contact me if you require any further information. ?Write a letter to Mr Stanton, the conference organiser: ?informing him which dates you would like to book ?telling him how many participants there will be ?giving details of the type of accommodation required ?asking him to confirm the cost of the weekend. ?Write 60-80 words on your Answer Sheet. ?Do not include postal addresses.
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【简答题】已知角α为锐角． （1）若 sinα= 3 5 ，求 sin(α- π 4 ) 的值； （2）若 sin(α+β)= 5 13 ， sin(α-β)=- 5 13 ，其中 β∈[0， π 2 ] ，求sinβ的值．
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【简答题】他伸手拿起电话,拨通了宾馆的号码
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【单选题】他伸手拿起电话,拨通了宾馆的号码。
A.
He reached for the phone, picked it, and dialed the hotel’s number.
B.
He reached for the phone, picked it up, and dialed the hotel’s number.
C.
He reached the phone, picked it up, and dialed the hotel’s number.
【简答题】已知＝(cos θ ，sin θ )，＝(3－cos θ ，4－sin θ )，若∥，则cos2 θ ＝____
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