【单选题】So difficult _____ it to live in an English-speaking country that I determined to learn English well. [ ]
【判断题】加密是指利用某个值(密钥)对明文的数据,通过一定的算法变换成加密数据(密文)的过程
【单选题】So difficult ________ it to live in an English-speaking country that I determine to learn English well.
【单选题】最能体现科学性、系统性和规律性的课程是 A.学科课程
【单选题】My __________ is very poor, so I decide to go to __________ countries. [ ]
A.
spoken English, speaking English
B.
English spoken, English-speaking
C.
spoken English, English-speaking