【单选题】下面的运算符中,用于执行除法的运算符是哪个?
【判断题】碳酸钙的生成焓等于 (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...
【简答题】阅读理解。 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...
【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