问题
填空题
已知点A在数轴上表示的数是－2，点B在点A的左侧，距离点A两个单位长度，点C距离点B5个单位长度，那么点C表示的数是____________
答案
-9或1
简单数轴问题，∵点A在数轴上表示的数是－2，点B在点A的左侧，距离点A两个单位长度∴B表示-4又点C距离点B5个单位长度∴C可在B点左侧或在B点右侧故点C表示的数可以是-9或1
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已知点A在数轴上表示的数是－2，点B在点A的左侧，距离点A两个单位长度，点C距离点B5个单位长度，那么点C表示的数是____________
-9或1
简单数轴问题，∵点A在数轴上表示的数是－2，点B在点A的左侧，距离点A两个单位长度∴B表示-4又点C距离点B5个单位长度∴C可在B点左侧或在B点右侧故点C表示的数可以是-9或1
| 完形填空 | ||||
| It was on a winter morning, near Oxford, Maryland, that I set the breakfast table beside the huge window, which __ 1__ the Tred Avon River. The snow decorated the shore in white. For a moment I stood quietly against the bookcase, appreciating what the night's snow had __ 2__. 3 I leaned forward and peered (盯着看) close to the frosted window. "It really is!" I cried out loud. "There is a goose out there!" I __ 4__ to the bookcase and pulled out a pair of binoculars (望远镜). Into their sights came the __ 5__ of a large Canada goose, very still, its wings folded tight to its sides, its __ 6__ frozen to the ice. Then from the dark sides, I saw a line of swans. They crossed __7__ the west of the broad river, moving __ 8__ to the east. As I __ 9__, the leader swung to the right, and then the white __10__ of birds become a white circle. It floated from the top of the sky downward. At last, as easy as feathers coming to earth, the circle __11__ the ice. The swans __12__ the frozen goose! Amazingly, those bills (啄) began to work on __13_. The long necks were lifted and curved down, __14__. It went on for a long time. At last, the goose was free and __15__ its big webbed (有蹼的) feet slowly. The goose __16__ its wings as far as they would go. The swans took off and __17__ on their eastward journey, in perfect formation, to their secret destination. __18__ them, rising with incredible speed and joy, the goose moved into the sky. I watched them __19__ they disappeared over the tips of the farthest trees. Only then did I realize that tears were running down my cheeks. This is a true story. I do not try to interpret it here. I just often __20__ it in the bad moments, and tell myself, "If so for birds, why not for man?" | ||||
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