特异性细胞毒（） A．NK细胞  B．B细胞  C．肥大细胞  D．细胞毒性T淋巴细

甲公司从乙公司购买原材料一批，合同价款为100000元，增值税率为17%，甲公司以银行存款支付全部款项，下列有关甲公司会计处理正确的是（）

A．借： 原材料 100000 贷：银行存款 100000

B．借：原材料 100000 应缴税费——应交增值税（进项税额） 1700 贷：银行存款 117000

C．借：原材料 100000 应缴税费——应交增值税（销项税额）17000 贷：银行存款 117000

D．借：原材料 117000 贷：银行存款 117000

患者，男性，35岁。因"上腹痛6年，呕血、黑便5小时入院"。6年前开始无明显诱因间断性上腹胀痛，餐后半小时明显，伴反酸、胃灼热、嗳气，自服制酸胃药可缓解。近2天来加重，伴有食欲缺乏，服药后无效。5小时前突觉上腹胀、恶心、头昏，先后解两次柏油样便，共约500g，并呕吐咖啡样液2次，量约200ml。此后心悸、头昏、出冷汗，不伴有畏寒、发热。既往30年前查体曾发现肝功能异常，经保肝治疗后肝功恢复正常。无外伤、手术及输血史。无食物及药物过敏史。无烟酒嗜好。查体：T36．4℃，P121次／分，R23次／分，BP90／70mmHg。神清，面色稍苍白，四肢湿冷，巩膜无黄染，皮肤黏膜无出血和蜘蛛痣，全身浅表淋巴结未扪及肿大，心肺无异常，腹平软，未见腹壁静脉曲张，中上腹轻压痛，无肌紧张及反跳痛，全腹未触及肿块，肝脾未扪及肿大，移动性浊音阴性，肠鸣音12次／分，未闻及高调肠鸣音及气过水声，双下肢无水肿。辅助检查：HGB78g／L，WBC5．1×10⁹／L，N65％，L32％，M3％，PLT300×10⁹／L，大便隐血强阳性。

该患者其基础病治疗标准疗程是（）

A.7～10天

B.2周

C.4周

D.4～6周

E.1个月

F.1年

中耳癌最常见的病理类型是（）。

A.腺癌

B.未分化癌

C.癌肉瘤

D.肉瘤

E.鳞状细胞癌

儿童出生后有本能的触觉反应，比如抓握反射就是手的触觉表现

The United States is well-known for its network of major highways designed to help a driver get from one place to another in the shortest possible time. (51) these wide modern roads are generally smooth and well maintained, with (52) sharp curves and many straight sections, a direct route is not always the most (53) one. Large highways often pass by scenic areas and interesting small towns. Furthermore, these highways generally (54) large urban centers which means that they become crowded with heavy traffic during rush hours, (55) the "fast, direct" way becomes a very slow route.

However, there is almost always another route to take (56) you are not in a hurry. Not far from the (57) new "super highways", there are often older, less heavily traveled roads which go through the countryside. (58) of these are good two-lane roads; others are uneven roads curling through the country. These secondary routes may go up steep slopes, along high cliffs, or down frightening hillsides to towns (59) in deep valleys. Through these less direct routes, longer and slower, they generally go to place where the air is clean and the scenery is beautiful, and the driver may have a (60) to get a fresh, clean view of the world.

58（）。

A. All

B. Several

C. Lots

D. Some