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【简答题】
设函数f(x)= · ,其中向量 =(2cosx,1), =(cosx, sin2x),x∈R, (Ⅰ)若f(x)=1- 且x∈[- , ],求x; (Ⅱ)若函数y=2sin2x的图象按向量 =(m,n)(|m|< )平移后得到函数y=f(x)的图象,求实数m、n的值。
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举一反三
【单选题】How much will the man pay for the hat?
A.
15 yuan.
B.
50 yuan.
C.
75 yuan.
【单选题】听力原文:How much did the hat cost? (11)
A.
$ 5.59.
B.
$ 5.95.
C.
$ 9.59.
D.
$ 9.95.
【简答题】读一读,选一选。 (     ) 1. You're welcome. (     ) 2. May I have some meat? (     ) 3. How much is the hat? (     ) 4. 我的名字叫Jenny. A. 欢迎你。 A. 我可以吃这些肉吗? A. 这种帽子有多少? A. My name is Jenny. B. 不客气。 B. 我可以有一些肉吗? B...
【单选题】—How much is the hat?                —It’s only nine dollars. —OK, I’ll ______it.                 —Here you are.
A.
take            
B.
need         
C.
Like
【单选题】— ____________ is the hat? — It's 20 yuan. [     ]
A.
How many
B.
What's
C.
How much
【单选题】How much does the wool hat cost?
A.
1000 pounds.
B.
800 pounds.
C.
750 pounds.
D.
500 pounds.
【简答题】A: How much the hat? B: It $12.
【单选题】How much does the most hat cost?
A.
small
B.
cheap
C.
expensive
【判断题】657( )“PLS OFFER 600NIT GROUNDNUTS 2007CROP CIFC5 TOKYO DIRECT STEAAIER INDICATING PYMT TERMS ERALIEST SHIPMENT”上述内容是交易磋商中的发盘环节.
A.
正确
B.
错误
【判断题】()“PLS OFFER 600MT GROUNDNUTS 2007CROP CIDC5 TOKTO DIRECT STEAMER INDICATING PYMT TERMS ERALIEST SHIPMENT”上述内容是交易磋商中的发盘环节。 A、正确 B、错误
A.
正确
B.
错误
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