the sounds of /t/ and /d/ are formed by blocking the airstream with the tongue and the upper gum ridge (上齿龈), building up air pressure and suddenly releasing it.
diphthongs are sounds which consist of a movement or glide from one ____________ to another.
建国前“左”倾路线的代表人物有（ ）。
find out the word that the vowel in it is different from other words'. 请找出包含元音不同于其他三个单词的单词。
choose letter combinations that can be pronounced as /ʊə/ in english words. 请选出在英语单词中可以发作 /ʊə/的英语字母组合。
which is of the followings is the main feature of hui cuisine?
according to eastern cultures, respecting the relationship through communication is more important than exchanging information.
高精密度是保证测定结果高准确度的先决条件，所以高精密度可以保证测量结果的高准确度。
信息道德规范信息行为，不包括以下哪一项（）？
宋代设置的诸监中，掌教务的机关是( )
在色谱流出曲线上，相邻两峰间的距离决定于（）
下列哪个不属于数据开放共享专门网站？
有机化合物 的正确系统命名是（ ）
what can lead to translation problems?
when we distinguish the two different cultures, some things are obvious, like architecture, language, clothes, customs, etc. from these elements we can easily find out the differences between the two cultures.
色谱-质谱联用技术，对某种物质进行定性分析时，主要的定性指标有（）
要求以最快速度传递和办理的公文称为
2.批评性通报常用要求式尾语作结。（ ）
3.任何机关单位都有权制发嘉奖令、表彰性决定与表扬性通报。（ ）
the main functions of diesel engine cooling are as follows . 1) reduce thermal stress of combustor components；2) ensure adequate strength of the heated part；3) improve the thermal efficiency of diesel engines；4) ensure proper clearance between moving parts；5) use the heat of cooling water for cooling；6) protective lubricating oil film
once the main power grid loses power, the emergency generator should start and close the power supply for a maximum time of no more than .