题目

（－2）2009 ＋（－2）2010=      。 答案：22009解析:原式=1×（-2）2009+（-2）×（-2）2009=（1-2）×（-2）2009=-1×（-2）2009=22009．On Monday mornings it usually ________ me an hour to drive to work although the actual distance is only 20 miles.                                          (2013·陕西，11)A．takesB．is takingC．tookD．will take