【单选题】Word中添加批注执行的操作是__________。
【判断题】水体pH越低,总氨中分子氨占的比例越高。
【单选题】《孟子》一书在《汉书·经籍志》中属于哪一类?
【单选题】Tom is good at maths, so I think he is the student_____can help you to work out this problem.
【单选题】Tom is good at maths, so I think he is the student( )can help you to work out this problem.
【多选题】137新加坡是个购物的天堂,其特色商品主要有( )。
【单选题】Tom is good at maths,so I think he is the student ____can help you to work out this problem.
【单选题】Word中添加批注执行的操作是__________。