In our school, the students have three courses, and seven entrepreneurial education courses .
A. required; alternative
B. requiring; alternative
C. required; alternate
D. requiring; alternate
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(答案→)A. required; alternative
B. requiring; alternative
C. required; alternate
D. requiring; alternate
解析:A考查词义和词性。句意:在我们学校里,学生有三门必修课,七门创业选修课。require (尤指根据法规)规定,需要,请求,courses 与require的关系为动宾结构用过去分词作定语;alternate为形容词,交替的,轮流的不和句意;第二个空用alternative (替代的,选其一得)形容词作定语。