“Courses are not designed merely for students to pass exams. ”This means teachers______.
A. want students to fail exams
B. care only about exam grades
C. believe that passing exams is not the only purpose of a course
D. design courses for lectures only
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一辆出租车有段时间的营运全在东西走向的一条大道上,若规定向东为正向,向西为负向,且知该车的行驶的公里数依次为-10,十6,+5,-8,+9,-15,+12,则将最后一名乘客送到目的地时该车的位置是().
A. 在首次出发地的东面1公里处
B. 在首次出发地的西面1公里处
C. 在首次出发地的东面2公里处
D. 在首次出发地的东面2公里处
E. 仍在首次出发地
已知三个质数的倒数和为1879/3495,则这三个质数的和为().
A. 244
B. 243
C. 242
D. 241
E. 240
The main idea of this passage is that students should______.
A. learn independently
B. learn under close guidance of their professors
C. learn cooperatively
D. not learn mainly for high grades
五个不同的数,两两之和依次等于3,4,5,6,7,8,11,12,13,15.这五个数的平均值是().
A. 18.8
B. 8.4
C. 5.6
D. 4.2
E. 4.8