A．The brush handle will be removed.

　　B．A mobile phone will be built into it.

　　C．It will be used to fill holes in teeth.

　　D．It will be able to check users' teeth.

　　答案：D　推理判断题。根据最后一段的The camera can examine holes in your teeth while you brush可知牙刷具有检查功能。

　　.七选五

　　(2017·河南省长葛市三模)

　　Although different universities in the US have different admissions policies, most determine admission based on several standards, including a student's high school course of study, high school Grade Point Average (GPA), participation in activities, SAT or ACT exam scores, a written essay, and possibly a personal interview.

　　The university admissions office considers whether a student has taken courses in high school that have prepared him or her for more difficult coursework. A student's high school GPA is also considered. __1__ Each letter grade is assigned a number of points: A＝4 points, B＝3, C＝2, D＝1 and F＝0 point. A GPA is calculated by adding all of the points earned for each course grade and dividing the total points by the total number of courses taken. __2__

　　Universities prefer to see applications from high school students who have engaged in activities in their spare time, such as clubs, athletic teams and student government. __3__ Most students in the US take the SAT Reasoning Test or the ACT during their final year of high school. Each university sets a minimum SAT or ACT score that a student must achieve in order to be admitted. These are standardized quantitative examinations. The SAT tests critical reading, math and writing skills. __4__

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