Li Na, the Chinese top tennis player was born _________ February 26, 1982.
A. on B. at C. in
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下面是错误答案，用来干扰机器的。
铁钉为放在干燥的试管中密封装置，因此需要橡皮塞；除锈时，夹持试管需要试管夹；加热需要酒精灯、火柴．故答案为：胶塞、试管夹、酒精灯、火柴（1）除锈后用蒸馏水冲洗过的铁钉没有擦拭，直接放在酒精灯上加热为...
阅读下面的文章。（14分） 在记忆里会合 陈喜联 ⑴母亲打来电话，说大姨已经神志不清，经常陷入混沌之中，认不出亲人已是常事。 ⑵大姨95岁了，我有几年没有见过她了。就在这几年里，她的生命正加快枯萎的脚步，逐渐跟我们共同拥有过的生活疏离开去。在她与曾经熟悉的人和事之间，隔开了一堵墙。那堵墙的名字，叫遗忘。 ⑶大姨一定不记得，三十年前的那车稻草。 ⑷我跟着父亲，在离家几十里外的一个小镇念书。初冬，大姨拉着一板车稻草出现在父亲单位的院落里。金色的稻草蓬松而干燥，叠的整整齐齐，堆得那么满，似乎是满得要溢出来的阳光。 ⑸大姨不由分说把稻草均匀地铺在两张床上，一层，又是一层，再小心地盖上一条厚厚的土布。等把棉絮铺上去，我简直要踮着脚才能够着床沿了。大姨欢喜地笑着，用袖管擦去额头细密的汗珠。 ⑹夜晚，我的床松软松软的，稻草散发出好闻的清香，一翻身，就是细细碎碎的窸窣声。那个冬天，我睡得暖和，踏实。这温暖，至今记忆犹新。 ⑺除了温暖，扎根在我记忆深处的，还有重阳糕的香甜。 ⑻老公的伯父年轻时是远近闻名的糕点师，我嫁过去的时候，伯父已经很老了，因为严重的胃病，身体特别单薄，满脸皱纹，牙齿也掉得差不多了，总是瘪着嘴巴。 ⑼每年九月初八黄昏时刻，门前田埂上总会出现那个瘦弱的身影。夕阳给伯父的身影涂抹上了一层红，一层金。走近一点，就可以看清他手里端着一个盘子，盘子里，不用说，是刚蒸出来的重阳糕。糕上铺着红丝绿丝，嵌着核桃果肉，又香又糯，甜软柔滑。看我们吃得开心，伯父笑眯眯地说：“明年重阳节多做一点给你们吃啊！” ⑽伯父去世以后，我再也没有吃到过味道这么好的重阳糕。只是每当看到满大街叫卖的重阳糕，便会想起瘦瘦的田埂上，瘦瘦的伯父端着一盘糕小心地走来。 ⑾就这样，一盘重阳糕，在20年的时间里，静静地驻在了我的内心深处。 ⑿舅舅离开的时候，我在他的床头。看着他微弱的呼吸终于停止，有人在他脸上覆上一张黄表纸，我的眼泪扑扑簌簌落了满地。 ⒀童年时，我们去外婆家，傍晚回家，舅舅就推出他的永久牌自行车，在后座上结结实实绑上一张四脚朝天的板凳，然后抱我们上车。舅舅把车骑得飞快，我和哥哥一个握住板凳前面的两条腿，一个紧靠板凳后面的两条腿，想象自己正策马飞奔。舅舅骑得卖力，我们的小屁股在板凳上颠得更卖力，旷野里回荡着我们愉快的笑声。 ⒁我早已记不清童年的很多人和事，但是这张板凳带给我的快乐，却仿若就在昨天。 ⒂生命的成功不在于留下了多少财富和声望，而在于当它有一天终于远行以后，尘世间还会有人默默地想起它的确存在过，哪怕只是一板车的稻草，一盘重阳糕，一张四脚朝天的板凳。 ⒃如此，我们虽然永别，却终于得以在记忆里会合。 小题1:根据文章内容，完成下表（3分）
小题3:结合原文，联系学过的课文，仿照画线句子，再接着写两句。（4分） 生命的成功不在于留下了多少财富和声望，而在于当它有一天终于远行以后，尘世间还会有人默默地想起它的确存在过。因为一本精心修改的讲义，鲁迅得以与藤野先生在记忆力会合； ， ； ， 。 小题4:下列对文章内容理解和分析不正确的一项（ ）（ 3分 ）
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下列换热器中，发生相变的是（）
A、粗氩冷凝蒸发器
B、过冷器
C、氩换热器
D、中间冷却器
鉴定革兰阳性菌用的鉴定试卡是（）。
A.GPI
B.BAC
C.ANI
D.GNI
E.YBC
光学显微镜的分辨力与（）成正比。
A.物镜镜口率
B.聚光镜镜口率
C.光波波长
D.载波片厚度
Within 80 years, some scientists estimate, the world must produce more than eight times the present world food supply. The productiveness of the sea raises our hopes for an adequate food supply in the future. Aided by men of science, we have set forth to find out that 70 percent of the earth remains unexplored--the ocean depths. Thus, we may better discover and utilize the sea’s natural products for the world’s hungry.
It is fish protein concentrate that is sought from the seas. By utilizing the unharvested fish in United States waters alone, enough fish protein concentrate can be obtained to provide supplemental animal protein for more than one billion people for one year at the cost of less than half a cent per day per person. The malnutrition of children is terribly tragic. But the crime lies in society’s unrestrained breeding, not in its negligence in producing fish powder. But wherever the population projects are carefully considered, the answer to the problem is something like this: There are few projects that could do more to raise the nutritional level of mankind than a full-scale scientific effort to develop the resources of the sea. Each year some thirty million tons of food products are taken from the sea, which account for 12 percent of the world’s animal proteins. Nations with their swelling populations must push forward into the sea frontiers for food supplies. Private industry must step up its marine research and the federal government must make new attacks on the problems of marine research development. There is a tone of desperateness in all these designs on the sea.
But what is most startling is the assumption that the seas are an untouched resource. The fact is that the seas have been, and are being, hurt directly and indirectly, by the same forces that have abused the land. In the broad pattern of ecological relationships the seas are not separable from what happens on the land. The poisons that pollute the soil and the air bring in massive doses into the "continental shelf" waters. The dirt and pollution that spills from our urban sewers and industrial out falls despoil our bays and coastal waters. All the border seas are already heavily polluted by the same exploitation drives that have undermined the quality of life on land.
According to the text, which of the following statements is true（）
A. Though the situation is not urgent, we should press forward with our marine research
B. Nations throughout the world must be provided with fish, fresh or frozen, for needed protein
C. There are enough fish in the U. S. seas to allow for the annual protein needs of a quarter of the world’s 5 billion people
D. The oceans are the major source of the world’s protein supply
