【单选题】What is the challenge facing Stockholm County Council?
A.
How to control the growing number of intranet users.
B.
How to prevent teenagers in town from chatting on the Web.
C.
How to keep some information secret and accessible only to qualified people.
【判断题】早在1895年《马关条约》签订后,日本就开始在台湾长达50多年的殖民统治。
【单选题】The astronauts know ______ control the direction and the speed of the spaceship. [ ]
【判断题】早在1895年《马关条约》签订后,日本就开始了在台湾长达50年的殖民统治。
【单选题】The passage mainly discusses how to control plant growth.
【单选题】______ The author's purpose in writing this passage is to tell parents how to control and guide their children.
【单选题】丙磺舒与青霉素G合用,可增加后者的疗效,原因是