瞳孔扩大是由下列哪种神经调节的
A.副交感神经B.交感神经C.视神经D.展神经E.三叉神经
参考答案:B
“The Bailu Plain” directed by Wang Quanan is ______ most moving film and I really want to see it for ______ second time.
A.a; a
B.the; a
C.the; the
D.the; a
当活塞面积一定时,活塞运动速度与进入油缸中油的()有关,活塞推力大小与油的()有关。