题型:问答题 简答题 ____your own needs and styles of communication is as important as learning to convey your affection and emotions.A.UnderstandingB.To be understoodC.Being understoodD.Having understood 查看答案
题型:问答题 简答题 Walter offered us a lift when he was leaving the office, but ________our work, we declined the offer.[ ]A.not finished B.not having finishedC.finished D.having finished 查看答案
题型:问答题 简答题 磁电式仪表的线圈常常用铝框做骨架,把线圈绕在铝框上,以下关于用铝框做骨架的好处,说法正确的是 A.铝的电阻率小,产生的感应电流大,对线圈转动的阻碍作用大B.铝的密度比较小,整个磁电式仪表的质量比较轻,便于携带C.铝是非磁性材料,不易被磁化,否则会干扰指针的指示正确性D.铝的质量轻,惯性小,通电时铝框会比较快的停止转动 查看答案