教学目标的设计应遵循的基本要求有()。
A.一般目标与具体目标相结合
B.集体目标与个人目标相结合
C.便于检测
D.难度适中
E.便于记忆
参考答案:A, B, C, D
He insisted that he _______ nothing wrong and that he _______ now.
A.did, be freed
B.had done, would be freed
C.should do, should be freed
D.should do, was
科氏力质量流量计由()、()和()三个部分组成。