大家都搜：
注册，选课；报名参加
1、bit signed───位符号
2、signed ipsws───签署的公共部门会计准则
3、signed rank───[数]符号秩
4、signed up───签约雇用，签约参加
5、dec signed───12月签署
6、signed───v.署名；写下；预示；示意（sign的过去分词）；adj.有符号的；已签字的；有正负之分的
7、signed off───v.停止活动；停止广播
8、duly signed───正式签署
9、signed magnitude───[计] 符号量值
1、Make sure You state the name of the website service you signed up for a newsletter from in Your correspondence that you email to us.───做到幽州的名义签订，为您服务网站从您函授简讯您的电子邮件给我们。
2、Be sure that you haven't signed up for a class that's either too hard or too easy for you, given your prior training and abilities.───你需要确认自己所选的课程对于你自己的能力来说不会太难也不会太容易。
3、In the first week of January, thousands of guilt-ridden people signed up for fitness courses or embarked on diets.───在一月的第一周，数以千计有负罪感的人们报名参加健身课程或着手节食。
4、It is claimed that another 1,000 young men from this country have signed up for the holy war against the West.───据称该国另有1000名年轻人报名参加了对西方的ShengZhan。
5、So the next year I signed up for the race and gave it a shot.───所以，一年后我也报名参加了这个比赛，尝试一下。
6、You signed up for extended borrowing privileges?───你申请了延长借款权限吗？
7、And I, I mean, just mortified, and -- because I was signed up for the 200, you know, which went off in a half hour.───我郁闷坏了，而且--而且我还报了200米的比赛，半小时之内就要开始！
8、This was enough for me, and I didn't want it to happen again. For this reason and several others, I signed up for four years of college.───这一下可真够我受的，我不希望这种事再发生。由于这个缘故，再加上其它一些因素，我报了名准备读四年大学。
9、You know how you can block those newsletters that you never signed up for by sending an e-mail with "unsubscribe" in the body?───你知道，要拒收你从没预订过的新资讯，只需回复邮件，正文写着“退订”就行。
1、She's signed up for evening classes at the community college.
2、Several well-known researchers have been signed up for the project.
3、She wanted a child, so we signed up for the eugenics lottery.
4、I signed up for Naval service when I was a high school junior in 1974 and was put on delayed enlistment.
5、Oh, and he signed up for accountancy of course.
6、Julie has signed up for courses on English and French this year.
7、About 200 students in grades 9-12 signed up for the academy for the following school year.
8、I've just signed up for an exercise class at the gym.
9、A large number of students have signed up for the course.