实验组间互为对照是
A.空白对照B.实验对照C.标准对照D.自身对照E.相互对照
参考答案:E
I was a single parent of four small children, working at a low paid job. Money was always tight, but we had a (1) over our heads, food on the table, clothes on our backs, and if not a lot, always (2) . Not knowing we were poor, my kids just thought I was (3) . I’ve always been glad about that. It was Christmas time, and although there wasn’t (4) for a lot of gifts, we planned to celebrate with a family party. But the big (5) for the kids was the fun of Christmas (6) . They planned weeks ahead of time, asking (7) what they wanted for Christmas. Fortunately, I had saved MYM120 for (8) to share by all five of us. The big (9) arrived. I gave each kid a twenty-dollar bill and (10) them to look for gifts of about four dollars each. Then everyone scattered. We had two hours to shop; then we would (11) back at the "Santa’s Workshop" Driving home, everyone was in high Christmas spirits, (12) my younger daughter, Ginger, who was unusually (13) She had only one small, flat bag with a few candies—fiftycent candies I was so angry, but I didn’t say anything (14) we got home. I called her into my bedroom and closed the door, (15) to be angry again. This is what she told me. "I was looking (16) thinking of what to buy, and I (17) to read the little cards on the ’Giving Trees’. One was for a little girl, four years old, and all she (18) for Christmas was a doll. So I took the card off the tree and (19) the doll for her. We have so much and she doesn’t have anything. " I never felt so (20) as I did that day.
二、完形填空
A.forced
B.reminded
C.invited
D.begged
下表为山区和平原地区修筑同等级铁路每百米工程量和造价的比较表(20世纪80年代),读后分析回答问题。
(1)根据表中的数据判断A、B两种地形,______为平原地形,______为山地地形。
(2)在______(填字母)处修路受地形的限制较少,交通线路一般呈______分布;在____(填字母)处
修路限制性因素较多,交通线路建设要尽量与等高线_________,多呈“____”字形。
(3)A地形在我国______(北方/南方)地区分布较广,B地形聚落位于_________,特点主要是_______
_____________________________________________。
(4)______(填字母)地形修路的技术要求高;______(填字母)地形易出现滑坡等地质灾害。