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 (10·全国ⅠA篇) OPENING TIMES: 20 Mar to 19 Oct Mon to Sat: 9:00am to 5:00pm Sun:9:30am to 5:00pm 20 Oct to 19Mar Mon to Sat:9:30am to 4:00pm Sun:10:00am to 4:00pm Shakespeare's Birthplace and Exhibition of Shakespeare's World  Welcome to the world-famous house where William Shakespeare was born in 1564 and where he grew up. The property(房产)remained in the ownership of Shakespeare’s family until 1806.The House has welcomed visitors traveling  from all over the word ,for over 250 years. ◆        Enter though the Visitors’ Centre and see the highly-praised exhib一个电热杯正常工作时的电压为220V，其额定功率为900W．此电热杯正常工作时，2s内消耗的电能是多少？1min内产生的热量是多少？