多项选择题
单项选择题 CO2分子中,碳原子轨道采取的杂化方式是( )A. s pB. s p2C. s p3等性杂化D. s p3不等性杂化
单项选择题 计算机硬件系统中的最新时间单位是_____。 A、存储周期 B、时钟周期 C、机器周期 D、指令周期
单项选择题 下图是Excel 宏计算反应转化率的截屏图，能够通过点击“点我计算”，一步求解出在不同a值和b值下共64个β值，请问在下面截屏图中，录制宏时，方程求解过程中的可变单元格是下面哪一个？
多项选择题 选择幼儿园科学教育的内容应遵循（ ）。 A、科学性和启蒙性原则 B、广泛性和代表性原则 C、地方性和季节性原则 D、时代性和民族性原则
判断题 科目汇总表编制时各账户借/贷方发生额的取数公式与总账中完全一致。( ) 正确 错误
单项选择题 编制合并财务报表时，应将集团内部债权债务予以抵消，同时也应将内部应收款项计提的坏账准备予以抵消，还应将与内部应收款项计提坏账准备相关的递延所得税予以抵消。（ ） A、正确 B、错误
单项选择题 Part 3. Cloze Test. (40 points, 2 points each) Many students find the experience of attending university lectures to be a confusing and frustrating experience. The lecturer speaks for one or two hours, perhaps __31__ the talk with slides, writing up important information on the blackboard, __32__ reading material and giving out __33__.The new student sees the other students continuously writing on notebooks and __34__ what to write. Very often the student leaves the lecture __35__ notes which do not catch the main points and __36__ become hard even for the __37__ to understand. Most institutions provide courses which __38__ new students to develop the skills they need to be __39__ listeners and note-takers. __40__ these are unavailable, there are many useful study-skills guides which __41__ learners to practice these skills __42__. In all cases it is important to __43__ the problem __44__ actually starting your studies. It is important to __45__ that most students have difficulty in acquiring the language skills __46__ in college study. One way of __47__ these difficulties is to attend the language and study-skills classes which most institutions provide throughout the __48__ year. Another basic __49__ is to find a study partner __50__ it is possible to identify difficulties, exchange ideas and provide support. A、A. statement B、B. strategy C、C. situation D、D. suggestion
单项选择题 班杜拉的社会认知理论认为（ ） A. 儿童通过观察和模仿身边人的行为学会分享 B. 操作性条件反射是儿童学会分享的重要学习形式 C. 儿童能够学会分享是儿童先天的本性 D. 儿童学会分享是因为成人采取了有效的惩罚措施
判断题 使企业的进货费用、储存成本和缺货成本之和最低的进货批量，便是缺货条件下经济进货批量。（） 正确 错误
判断题 不锈钢膨胀接头内部导管的作用是增加液体的阻力。()