题型:判断题 —I hear Jane has gone to the Holy Island for her holiday.—Oh, how nice! Do you know when she______________?A. was leavingB. had leftC. has leftD. left 查看答案
题型:判断题 —I'm leaving now.—______ you turn off the lights and the computer.[ ]A. To make sureB. Make sureC. Made sure D. Making sure 查看答案
题型:判断题 如图所示,物体A放在固定的斜面B上,在A上施加一个竖直向下的恒力F,下列说法中正确的有[ ]A.若A原来是静止的,则施加力F后,A仍保持静止B.若A原来是静止的,则施加力F后,A将加速下滑C.若A原来是加速下滑的,则施加力F后,A的加速度不变D.若A原来是加速下滑的,则施加力F后,A的加速度将增大 查看答案