题目

如图所示，一辆小车正在向右行驶，车厢里挂着一个小球。当看到小球向左摆动时，小车在做_____（选填“加速”、“勻速”或“减速”）运动，此时绳子对球的拉力和球受到的重力_____（选填“是”、“不是”或“可能是”）一对平衡力，若此时小球受到的所有力消失，相对于地面将会_______（填“静止”、“匀速直线运动”）。 语法填空（共10小题；每小题1.5分，满分15分） 阅读下面短文，根据上下文填入适当的词语，或使用括号中的词语的适当形式填空，并将答案填写在答题卡上标号为31—40的相应位置。        In ancient times the most important examination was spoken, not written. In the schools of ancient Greece and Rome, testing usually consisted   31       saying poetry aloud or giving speeches.        Generally, however, modern examinations are written. The written examination, where all students are tested on the same questions, was probably not known       32   the nineteenth century. Perhaps it came into   33         (exist) with the great increase in population and the development of modern industry.        Two types of tests are   34         (common) used in modern schools. The first type is sometimes called an “objective” test. It   35               (intend) to deal with facts, not personal opinions. On objective tests the student has just one task: he must recognize the correct answer, and then he must copy its letter or number onto his examination paper. Sometimes there is   36           answer sheet on which the four letters or numbers are printed. Then the student only has to circle the one         37               goes with the correct answer.        For testing some kinds of learning, however, such a test is not very satisfactory. A lively student   38              guess the correct answer without really knowing the material.        For a clearer picture of   39            the student knows, most teachers use another kind of examination in addition to objective tests. They use “essay” tests, and the tests require students to write long answers to broad, general questions. When some essay questions are used along with some objective questions,  40                , a fairly clear picture of the students’ knowledge and ability can usually be obtained.