[单选题]在配平好的半反应方程式中,反应物的系数依次是( ).A. 3,1,2B. 3,2,2C. 2,3,1D. 3,2,1
[问答题]what is the writing features of the passage
[单选题]化合物的正确命名是( ).A. 二甲基甲苯胺B. N,N-二甲基甲苯胺C. 甲苯基二甲胺D. N,N-二甲基-对甲基苯胺
[判断题]营销道德是用来判定市场营销活动正确与否的道德标准.
[单选题]下列Windows快捷方式的描述中,不正确的是( A. ).A.删除某文档后,双击该文档原快捷方式仍能打开该文档B.一个文档可以创建多个快捷方式图标C.可为文件夹对象创建快捷方式D.双击某文件快捷方式图标即打开与之关联的文件
[多选题]对人的心理产生影响的因素主要有 A.生理因素B.环境因素C.教育因素D.家庭因素E.个体主观因素
[单选题]下列对直效营销的描述哪项是不正确的( )a. 信息传递的广泛性 b. 交流的互动性c. 效果的可衡量性d. 时空的无限制性
[单选题]胆盐的主要吸收部位是A.胃B.十二指肠C.空肠D.回肠
[问答题]简述公共组织战略管理的步骤.
[单选题]They have been _ outsider for two hours.A、waittingB、waitC、waitedD、had wait
[单选题]下列设备中不属于输出设备的有____.a. 激光打印机b. 扫描仪c. 显示器d. 绘图仪
[单选题]如果想要设置定时自动保存,应选择( )按钮. A.“文件”|“选项”|“保存”B.“文件”|“另存为”C.“文件”|“加载项”D.“文件”|“保存并发送”
[判断题]5 . 挑梁承受的最大剪力在距墙边x0处.( )
[多选题]柏拉图提出人的三个层面分别是什么A、 智慧在头部 B、 情感在胸部 C、 欲望在腹部 D、 思维在头部
[单选题]K[F.C.的俗名是( ) A.黄血盐 B.赤血盐C.铁蓝D.黑矾
[单选题]下列物种中,空间构型为直线型的是( )A . H 2 S B . NO 2 C . SO 3 D . CO 2
[单选题]全血的比重主要取决于A.NaC.的浓度B.渗透压的高低C.白细胞的数量D.红细胞的数量
[单选题]为了实现目标而制定的方案,称为( ),这是构思和设计的主要方案.A. 应变方案B. 追踪方案C. 临时方案D. 积极方案
[多选题]A.cording to the text, which of the following statements is NOT true A.A child.s organs of speech are more flexible than an adult.s.B.C.ildren do not learn sounds correctly at once.C.Children make countless mistakes when learning sounds.D.Children.s flexibility of the tongue and lips is acquired later.
[单选题]二、阅读理解:阅读下面的短文,根据文章内容从A.B.C.个选项中选出一个最佳选项.There are more ants than any other kinds of land animals in the world. They range from 0.1 to 1 inch long and are usually yellow, brown, red, or black. Ants live in societies in which they depend on one another. The societies are not all exactly the same because there are ants of very many kinds. But in general, each kind has ants of three main types: queens, males, and workers.The ants have a good many enemies. They include birds, bears and ant eaters of various kinds. In some cases other ants are their worst enemies, as man’s enemy is man. In some parts of the world, red ants march in large armies to attack the homes of black ants. Some of them succeed in getting inside of the tunnels of black ants, whose entrances have been blocked. They try to carry the black ant babies away. The black ants do all they can to prevent that. They send their biggest soldiers into action. Very many of the red ants soldiers are killed but some escape with babies belonging to the black ants. The red ants take the babies home and bring them up. They become the only workers for the red ants.Ants as a group are beneficial to humans. Their tunnels mix and soften the soil, in some places replacing the activity of earthworms. Some of ants are harmful to humans. F.r example, the fire ant, which has a painful bite, is a serious pest to humans and domestic animals in many parts of the world.1. Which kind of ants is not regarded as the main types of ants in general?回答A. Queen ants.B. Soldier ants.C. Worker ants.
[判断题]传统的观念认为,企业经营管理的中心任务是提高产品的科技含量.