I failed again in the examination and only then _____ how much time I had wasted. 
| A．I realized | B．I had realized | C．did I realize | D．had I realized |
By speeding up reforms the UN is trying to live up to the wishes of people around the world and __________ more to building world peace.
| A．contribute | B．link | C．expose | D．attend |
The new law of consumer rights also __________ rules about returning faulty goods and sets out protections for those who receive poor services.
| A．announces | B．clarifies | C．consists | D．possesses |
A professor said the rise of the BRICS countries（金砖国家） is a/an _______ of the end of the world in the control of the USA.
A. barrier B. process C. aspect D. symptom
A new case study says Chinese companies face tough _____in the US and have a long way to go to be successful.
| A．challenges | B．campaigns | C．motivations | D．dilemmas |
完成句子（共10题，每小题2分，满分20分）A total of 120 students took part in the competition,____________________10 to 18.(range)
共有120名学生参加了比赛，其年龄在10到18岁之间。An online survey shows that about 25 percent of people ______________ an only child after a new policy was released last week.(feel)
自从上周新的生育政策出台后，一项网上调查表明25%的人们想要嫁给独生子。_______________he could go home, Guo Bin was all smiles and said he had no fear of return to his hometown.(inform)
得知可以回家后，郭斌微笑着说，他并不害怕回到家乡。 As a slow student, how I wish my teachers _________________any student in class.(show)
作为一名后进生，我多么希望我的老师现在在班上不偏爱任何学生。If something bad happens on a particular day, people ____________________associate that day with negative event.(tendency)
如果特定的一天发生了不好的事，人们倾向于把这一天和消极的事联系在一起。It is reported that women ______________________become infected with HIV/AIDS than men.(likely)
据报道女性受到艾滋病感染的可能性稍微大于男性。Nobody noticed when he entered the classroom; he ___________________it from the back door.(slide)
没人注意到他什么时候进的教室；他一定是从后门溜进来的。With so many different kinds of food _________________, students may eventually choose to have dinner at school dining room. (choose)
有这么多可供选择的食物，学生也许最终会选择在学校食堂就餐。It is the extreme weather, rather than a mistake made by the pilot, ________________for the plane to take off on time.(make)
由于极端天气而不是飞行员的失误使飞机不可能准时起飞。Why you couldn’t get through to him was ___________________ a zero in his telephone number.(leave)
你联络不到他是因为你漏掉了他号码中的一个零。
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