【单选题】---Which book do you think is the most useful to my studies? ---________, as long as you read it. In fact, they are out of date.
【判断题】无论何种酸或酸,只要其浓度足够大,都可以被强碱或强酸溶液定量滴定。
【简答题】How to examine an L/C?
【单选题】This is _____ useful book. I read _____ book every day. [ ]
【单选题】Bill the letter from my hand and read it quickly. [ ]
【单选题】--- What ________ useful book ! ---Yes, it is. But I found___________ difficult for me to read.
【单选题】Alice read the letter with a __________ expression on her face, not knowing who sent it to her. [ ]
【单选题】---What _____useful book ! ---Yes, it is. But I find it ______ difficult for me to read.
【单选题】The speaking outline won't be useful if you can't read it at distance instantly.