【单选题】()是一个包含证书持有人个人信息、公开密钥、证书序号、有效期、发证单位的电子签名等内容的数字文件。
【简答题】A.The result is what she had expected. B.The test is not well designed. C.Too few students got high marks. D.Differences between students' grades are big.
【单选题】听力原文:W: Did you see Susan in the business office? M: Yes, she was applying for a student loan. Q: What was Susan doing? (14)
A.
Asking for some financial aid.
B.
Lending something to a student.
C.
Reading a student's application.
D.
Borrowing money for a business.
【单选题】运动对关节的影响不包括
A.
使关节面骨密质增厚,提高对运动负荷的承受能力
【简答题】The class teacher thought that hobbies were important for children. So she encouraged all her students to have one, and sometimes she arranged hobby shows for their parents to see as a result. One mor...