题目

He came to my class every week, but his attitude ________ he was not really interested in the subject.   A. expressed    B. described    C. explained    D. suggested   答案：D   考查词义辨析。express “表示”；explain “解释”；describe “描绘”；suggest“建议；表明”。题意为：虽然他每周都来上我的课，但他的态度表明他对这门功课不感兴趣。7．下列说法中，正确的是（　　）A．由E=$\frac{F}{q}$可知电场中某点的电场强度E与q成反比B．由公式φ=$\frac{{E}_http://pic.7249.cn}{q}$可知电场中某点的电势φ与q成反比C．由Uab=Ed可知，匀强电场中任意两点a、b间的距离越大，则两点间的电势差也一定越大D．以上说法均不对