【判断题】碳酸钙的生成焓等于 CaO(s)+CO 2 (g)=CaCO 3 (s) 的反应焓。
【简答题】There are four parts in IELTS: listening, speaking, reading and writing. Listening is very important. Are you confident? Have you made good preparation? The book IELTS Listening is helpful for y...
【判断题】碳酸钙的生成焓等于CaO(s)+CO2(g)=CaCO3(s)的反应焓。
【判断题】碳酸钙的生成焓等于CaO(s)+C02(g)=CaCO(s)的反应
【单选题】How long is the IELTS Speaking time?
【单选题】How many minutes is the IELTS Speaking Test?
【简答题】The biggest taboo in Part 3 of IELTS Speaking is to ___________ .
【多选题】What are the marking criteria in Ielts speaking?
C.
Grammatical range and accuracy