单项选择题 目前，在大型乒乓球赛事中，多采用 和 两个成熟的软件。
未知题型 听力原文： There are two kinds of memory: short-term and long-term. Information in long-term memory can be recalled at a later time when it is needeD.The information may be kept for days and weeks. In contrast, information in short-term memory is kept for only a few seconds, usually by repeating the information over and over. The following experiment shows how short-term memory has been studieD.Henning studied how students who are learning English as second language remember vocabulary. The subjects in his experiment were 75 college students. They represented all levels of ability in English: beginning, intermediate, advanced, and native-speaking students. To begin with, the subjects listened to a recording of a native speaker reading a paragraph in English. Following the recording, the subjects took a 15-question test to see which words they remembereD.Each question had four choices. The subjects had to circle the word they had heard in the recording. Some of the questions had four choices that sounded alikE.For example, weather, whether, wither, and wether are four words sound alikE.Some of the questions had four choices that have the same meaning. Method, way, manner, and system would be four words with the same meaning. Finally the subjects took a language proficiency test.Henning found that students with a lower proficiency in English made more of their mistakes on words that sound alike; students with a higher proficiency made more of their mistakes on words that have the same meaning. Henning's results suggest that beginning students hold the sound of words in their short-term memory, and the advanced students hold the meaning of words in their short-term memory.(33)A.To study how students remember English vocabulary by short-term memory.B.To study how students learn English vocabulary.C.To study how to develop student's ability in English.D.To study how long information in short-term memory is kept.
未知题型 危险化学品安全技术本部分共10小题，每小题1分。每题的备选项中只有一个最符合题意。危险化学品的主要危险特性是( )。D.火灾、失效、中毒、腐蚀及污染环境
单项选择题 _____污泥适合采用气浮浓缩法。
未知题型 张某委托刘某购书，并将一本存有3万元人民币的全国通兑活期存折交给刘某用于买书。刘某在途中取出该存折的3000元用于购买毒品，被公安机关当场抓获。审讯中，刘某供述存折中余下的1万元仍打算用于购买毒品。县法院对刘某判处有期徒刑15年。随后，公安机关作出行政处罚决定，关于当场查获的3000元和存折内的余款，正确的处理方法是( )。D.没收用于购买毒品的3000元，将存折内余款返还张某
单项选择题 平飞时飞机重心会在纵向前后移动，需要不断调整操纵面保持平衡，此过程称为( )。 A、俯仰配平 B、俯仰操纵 C、方向操纵 D、方向配平
单项选择题 - Quelle est votre nationalité ? - Je（ ）allmande. A、 es B、 suis C、 est D、 être
未知题型 Most children with healthy appetites are ready to eat almost anything that is offered them and a child rarely dislikes food (1)_____ it is badly cookeD.The (2)_____ a meal is cooked and served is most important and an (3)_____ served meal will, often improve a child's appetitE.Never ask a child (4)_____ he likes or dislike a food and never (5)_____ likes and dislikes in front of him or allow (6)_____ else to do so. If the father says he hates fat meat or the mother (7)_____ vegetables in the child's hearing he is (8)_____ to copy this procedurE.Take it (9)_____ granted that he likes everything and he probably (10)_____. Nothing healthful should be omitted from the meal because of a (11)_____ dislikE.At meal times it is a good (12)_____ to give a child a small portion and let him (13)_____ back for a second helping rather than give him as (14)_____ as he is likely to eat all at oncE.Do not talk too much to the child (15)_____ meal times, but let him get on with his food: and do not (16)_____ him to leave the table immediately after a meal or he will (17)_____ learn to swallow his food (18)_____ he can hurry back to his toys. Under (19)_____ circumstances must a child be coaxed (20)_____ forced to eat.A.ifB.untilC.thatD.unless
多项选择题 实验结果是（ ）。 A. 实验中的观察过程 B. 实验中的各种被观察到的现象 C. 实验现象的动态变化过程 D. 实验所得到各种数据资料 E. 实验数据的推导、计算过程或公式
单项选择题 星巴克主要使用以下哪种知觉营销策略( )。 A、沉浸体验式营销 B、贴心服务式营销 C、广告营销 D、打折促销