单选题在“两位数乘以两位数的笔算乘法”教学中，教师为学生提供了一张12行14列的点子图，同时要求学生利用手中的点子图，在上面圈一圈，画一画，找到解决12×14的办法，并把你的想法和思考过程写在纸上，这种教学思想是______。

单选题Behind our house is the start of a fascinating trail (小径). This trail is one of the old roads that wind through untold miles of forest. My (36) , Beans, and I walk the trail frequently. Normally, Beans sniffs alongside the trail to follow the smell of a deer track or explore some cause known only to him. Beans is a white dog, quite handsome and very smart. He not only understands what we tell him, but also often makes sounds as if he were trying to (37) back. One morning, we took a different route, which led us to an unfamiliar trail. I was sure this trail would eventually lead us to our familiar (38) . But, no. We seemed to be far off course. After two hours, I suddenly realized that Beans probably (39) the way home. So I urged, "Beans, take me home." He ran down a new trail. But it merely led to an intersection (岔道口) of trails. Soon it became (40) that we were getting nowhere. I began to picture the rest of the day in the (41) , without food or drink. We had walked about ten miles. But Beans seemed totally (42) The sniffing and exploring was going well for him. Finally, we (43) a crossroad near a highway. Lady Luck suggested I should turn left. We did and (44) reached a cottage beside a field. I knocked on the door and explained my situation to an old man. He laughed and then drove us home. Since our adventure, I (45) that Beans probably knew all along how to get home. He was just having too much fan exploring new trails.

单选题一般来讲，研究教育现象和教育问题，揭示教育规律的科学是______。

单选题“万绿丛中一点红”容易引起人们的无意注意，主要是由于刺激物具有______的特点。 A.强度 B.新异性 C.变化 D.对比

单选题“白如玉，明如镜，薄如纸，声如磬”是用来形容( )。

单选题在微机上运行一个程序时，发现内存容量不够，可以解决的办法是______。

单选题新课程提倡的学习方式不包括______。

单选题《神曲》、《源氏物语》、《堂吉诃德》、《哈姆雷特》的作者分别是（ ）。

单选题植物体细胞杂交和动物细胞融合常用的诱导剂依次是______。 ①秋水仙素 ②聚乙二醇 ③磷酸烯醇式丙酮酸 ④灭活的仙台病毒 ⑤草酰乙酸 A.①② B.④② C.②④ D.③⑤

单选题西周分封制在中国历史上影响深远。下列省、自治区中，其简称源自西周封国国名的是( )。 A．河南、河北 B．湖南、湖北 C．山东、山西 D．广东、广西

单选题表达式Right(“Beijing”，4)的值是______

单选题国家建立统一的义务教育教师职务制度。教师职务分为______职务、中级职务和高级职务。

单选题下列哪项不属于幼儿心理发展的最基本的特点?( )

单选题若实数x、y满足(x+5)2+(y-12)2=142，则x2+y2的最小值为{{U}}{{/U}}。A．2B．1C．D．

单选题一同学想使用数据库管理自己班级的图书信息和借阅信息，应选择( )软件为最佳。

单选题下列选项哪一项不是高级神经活动的特性（ ）

单选题一般认为，儿童早期，特别是（　　）以前是视觉发育的敏感期。

单选题在当前班级管理实践中，除了“教学中心”的领导方式外，______的领导方式也运用得较多。

单选题篮球比赛中，一队已达4次犯规，该队再发生侵人犯规后，应执行______。

单选题“一题多解”和“一事多写”旨在培养学生的______。