【正文】
f D. nobody 33. The woman went over to ________ after she talked with Bruce. A. knock at the door of the house B. ring the bell of the house C. give a call to his mother D. ask his mother some questions 34. The woman got _______ because no. one came to open the door. A. pleased B. surprise d C. angry D. afraid 35. In the story the woman didn’t find Bruce’s mother because ________. A. she went to the wrong house B. she didn’t know Bruce’s mother C. Bruce was not at home D. Bruce didn’t have a mother ( B) The word“day” has two meanings. When we talk about the number of days in a year, we are using “day” to mean 24 hours. But when we talk about day and night, we are using“day” to mean the time between sunrise and sunset. Since the earth looks like a ball, the sun can shine on only half of it at a time. Always one h alf of the earth is having day and the other half night. A place is moved from day into night and from night into day over and over by the spinning(旋轉) of the earth. At the equator(赤道) day and night are sometimes the same length. They are each twelve hours long. The sun rises at 6 o’clock in the morni ng and sets at 6 o’clo ck in the evening. For six months the North Pole is tilted(傾斜) toward the sun. In those months the Northern Hemisphere(半球) gets more hours of sunlight than the Southern Hemisphere. Days are longer than nights. South of the equator nights are longer than da