如图所示,为了使滑动变阻器的滑片P向左移动时,灯泡变亮,则图中导线的E端应接在滑动变阻器的
A.A接线柱上
B.B接线柱上
C.C接线柱上
D.D接线柱上
答案:A
—Can she ______ TV now?
—No, she ______. She ______ do her homework first.[ ]
A. watch; can; can
B. watch; can't; must
C. watches; can't; can
D. watches; must; can
雪上一枝蒿的临床中毒表现为()
A.心率缓慢
B.口唇发绀
C.腹泻
D.昏迷
E.胸闷