排序方式: 共有8条查询结果,搜索用时 0 毫秒
1
1.
从语块学习与重复模仿谈大学英语口语教学 总被引:1,自引:0,他引:1
我国大学英语口语教学存在着许多不足.而在教学中运用语块学习与重复模仿的方法能有效地提高大学英语口语教学质量. 相似文献
2.
信息技术的发展对外语教学产生了极大的影响,促进了外语教学的现代化。开设《多媒体外语教学》的目的在于将现代信息技术与外语教学整合。为提高教学效果,担任该课程的教师应既有外语教学理论知识,又有较强的信息技术理论与应用能力;要遵循"理论够用、重在实践"的教学原则;把教学重点放在与外语教学和研究密切相关的办公工具、英语课件制作、电子翻译工具、网络资源应用等方面;明确多媒体与外语教学的关系,注重多学科的交叉性;使多媒体技术能真正为外语教学服务。 相似文献
3.
以评估为契机,促进独立学院教务管理水平的提高 总被引:1,自引:0,他引:1
随着教育部对独立学院教育工作合格评估工作的开展,教务管理工作也必须顺应独立学院的发展,紧抓教育工作评估这一契机,强化服务意识,深化教务管理的层次,加强教务管理研究,促进教务管理水平的提高. 相似文献
4.
5.
利用液体选择培养基、固体选择培养基从污泥中筛选出一种可以氧化低价硫的菌株,该菌为革兰氏阴性菌,在光学显微镜下有较强的运动能力.对含有该菌的培养基进行pH值检测,在培养的第3天发现pH值有显著下降,继续培养一周左右,pH值下降到0.6;用离子色谱进行检测,培养5天,液体培养基中硫酸根含量从249.2mg.L-1增加到3679.7mg.L-1;将菌液加入FeS培养基中,培养2周后,FeS被氧化,培养基颜色变浅. 相似文献
6.
Functional near-infrared spectroscopy (fNIRS) is a non-invasive optical technique for brain functional imaging. The objective of this study is using fNIRS to investigate sex-related differences in the spatial distribution of spontaneous hemodynamic fluctuations and resting-state functional connectivity (RSFC) in the prefrontal cortex. 20 heathy young adults participated in the experiment. 42 optical channels covered the anterior prefrontal cortex (aPFC), dorsolateral prefrontal cortex (DLPFC) and the language area (inferior frontal gyrus (IFG) and superior temporal gyrus (STG)). 8-min spontaneous hemodynamic fluctuations were recorded from each subject. The spatial distribution of the fluctuation power was calculated for each sex. To quantitatively characterize the degree of RSFC, the temporal correlation coefficients of the fluctuations were computed for all optical channel pairs. Two distinct networks were identified. One involved the aPFC and DLPFC, and the other included the bilateral language areas. Sex-related differences in the spatial distribution of the fluctuation power and RSFC were revealed. Compared with females, males experienced higher power of the fluctuations, especially in the aPFC+DLPFC. Males showed larger intra-network connectivity in the aPFC+DLPFC, whereas females showed larger inter-network connectivity between the language area and aPFC+DLPFC. Our observations might provide functional imaging-based evidence for understanding sex-related differences in behaviors and cognitions. 相似文献
7.
以La2 O3、CeO2和Sm2 O3为原料,采用高温固相反应法制备了Sm2 O3部分掺杂La2 Ce2 O7热障涂层陶瓷材料,其化学式为(SmxLa1-x)2Ce2O7.采用X射线衍射法研究了试样的物相结构,并通过对比各实验条件下制备的试样的X射线衍射图谱,对试样的掺杂比例、烧制温度及烧制时间进行了探究.结果表明,所制备试样为萤石结构,当掺杂摩尔比Sm:La为1:2或1:3时试样均能保持良好的相结构,以掺杂摩尔比Sm:La=1:2制备的( Sm0.33 La0.67)2 Ce2 O7材料在1600℃下具有良好的相稳定性,且其最佳制备条件为1550℃下烧制10 h,该材料是一种很有潜力的新型热障涂层陶瓷材料. 相似文献
8.
1