【单选题】How many kinds of illnesses can be caused by the germs in swimming pool water as mentioned in the passage?
【简答题】How many kinds of materials will the university send the applicant after they receive the application materials? The university will sand the applicant ______ kinds of material.
【单选题】建立施工坐标系统时应以主轴线的起端点作 ( )。
【单选题】There are so many kinds of cameras in the shop. We can't decide . [ ]
【单选题】How many kinds of ideas are there about the future?
【简答题】How many different kinds of sounds are mentioned in Paragraph 3 ?
【单选题】How many kinds of migrating mammals are mentioned in the passage?
【单选题】How many kinds of anxiety are mentioned in the passage?