Ⅰ.完形填空(建议用时17′)
[2016·嘉峪关一中模拟]When you concentrate, you focus on one thing and get other thoughts out of your mind. You concentrate on schoolwork, on sports, or on some music which requires serious __1__ effort. The point is that you think of only one __2__ at a time, do it and leave it behind you.
__3__ to concentrate is important. Any adult will tell you they __4__ have at least a dozen things on their minds. When they must complete a project by a certain day and hour, they concentrate on it and __5__ several people into a work team. This __6__ a clear focus on the work—and on getting others to do their __7__.