谁知道新视野大学英语第二版网上unit test答案啊？求答案～～～

Unit4
1.昨天我留下加了一会儿班。(extra)
I stayed and did some extra work yesterday
2.为了赶上她的同学，她学习非常努力。(in an effort to).
She has been studying very hard in an effort to catch up with
her classmates
3.电视提供大众化的娱乐。(universal)
3/37
Television provides universal entertainment
4.我们怎样才能提高顾客的忠诚度？(loyalty)
How can we improve customer loyalty?
5.请你方便时给我们寄一份你们最新的产品目录。(convenience)
Please send us a copy of your latest catalog at your convenience
6.他手头工作太多了，不能跟我们去野餐。(on hand)
He has too much work on hand to go picnicking with us.
7.这则广告会引起各地读者的注意。(capture)
The advertisement will capture the attention of readers everywhere.
8.新闻节目是通过卫星传送到我们这里来的。(via)
The news program came to us via satellite.
1. 如果错过这次机会，你会后悔的。(slip away)
You will regret it if you let this opportunity slip away.
2. 他一点点地暴露了他的野心。(ambition)
Little by little he revealed his ambitions.
3. 当你靠近床时，走路轻一点。(approach)
Walk softly as you approach the bed.
4. 他通过打零工来谋生。(odd)
He makes a living by doing odd jobs.
5. 估计损失在100万到500万美元之间。(range…from)
The damage is estimated to range from $1 million to $5 million.
4/37
6. 你需要一些工作经验。(under one’s belt)
You need some work experience under you belt.
7. 她靠当清洁工的薪水勉强过活。(scrape by)
She just manages to scrape by on her cleaner’s salary.
8. 这家公司在相当长一段时间之后才取得进展，但现在已经开始盈利了。(get off the ground)
It took a while for the business to get off the ground, but it’s making a profit now.