—If I don't get some money from my paren
题型：选择题
问题：
—If I don't get some money from my parents by Friday, could I borrow some from you?
—_______. But can I know why?[ ]
A. Never mind
B. Not at all
C. By no means
D. By all means
题型：选择题
| 小明同学利用圆珠笔杆、钢丝、细绳制成了如图所示的滑轮组用其匀速提升重物，不考虑摩擦、笔杆和绳重，下列说法正确的是（ ） A．拉细绳的力F等于钩码重力G的 B．拉细绳的力F等于钩码重力G的 C．拉细绳的力F等于钩码重力G的 D．拉细绳下降的距离是钩码上升高度的  |
