In our class. most discussions and activities take place in assigned small groups.Thesef groups provide a supportive and safe environment that ____ learning. It is the development strategy of the company to ____ its overseas expansion in order to take a slice of the world market. Nearly six million people go to see the Mona Lisa every year, attracted by the ____ of her smile. When you are not looking at her, she seems to be smiling; when you look at her, she stops. To live with a family whose native language is English is the ideal way to further improve one's English and to gain ____ into its culture. There is a real need to ____ academic achievement in schools and help with the development of a student's overall character. Einstein said his scientific discoveries grew from his imagination rather than from ____,reason and language. Being a single parent, there is no way for her devoted to her children for the past 10 years. It is essential that you start by listening because one of the main ____ teenagers and their parents face in forming positive relationships is that neither listens to the other. We all know the dangers of an earthquake: the ____ to buildings, the troubles can be caused by falling trees, and the terror occurs when the earth actually opens up. Not until recently have we realized that the increasing world population may lead to a potential gloomy ____ for humanity: starvation. Because women often restrict their diet in an effort to control weight, they may not consume enough iron-rich food and ____ experience and iron dediciency. Some reform advovated ignore the impact of class size on student achievement, and they are ____what they call as a priority:teacher effectiveness. Because of easy access to the Internet, the new breakthrough to creat something truly creative ____ happen anytime now. Indeed, if teachers want to ____ how far students might get in life, a better measurement than grades might be how hard the students try. Nature has ____these animals____a capacity for not showing fear. During the weeks of discussion, delegations from groups who are interested in the resolution may call on representatives to ____their point of view. Plato was a superb writer, and his works are part of the world's great literature. Most of his existing work is ____dialogs and letters. Young people should enter into a broad flexible training program, through which they can learn a lot and be ____their future careers. The young man is very happy and proud to be ____the old professor because he always feels great when talking with him. One day they passed more than 20 villages ____, and some of these are said to have stretched for six miles or more. boost,prospect,calculate, accelerate, promote, mystery, destruction, analysis ,insight barrier,prepare for, be bound to, stand up for, in favor of, speculate about,in the company of, in the form of ,be liable to, invest with, in succession