现有一瓶质量分数为20%的某溶液，倒出体积后再加水，直到所得溶液质量和原来溶液的

M: The taxi driver must have been speeding.
W: Well, not really. He crashed into the tree because he was trying not to hit a box that had fallen off the truck ahead of him.
Question: What do we learn about the taxi driver().

A. He turned suddenly and ran into a tree.

B. He was hit by a fallen box from a truck.

C. He drove too fast and crashed into a truck.

D. He was trying to overtake the truck ahead of him.

解除权、追认权、撤销权分别属于（）

A．请求权、支配权、抗辩权

B．形成权、请求权、抗辩权

C．形成权、形成权、形成权

D．请求权、请求权、抗辩权

如果一定要找到油价上涨的凶手，连驾驶者自己恐怕都不可避免地受到______，因为消费者不断上升的欲望构成了石油公司______的基础。

填入划横线部分最恰当的一项是（）。

A．非难；坐收渔利

B．牵连；一本万利

C．抨击；市无二价

D．指责；漫天要价

E1链路带宽为（）

A.4M

B.20M

C.2M

D.10M

具有升浮性质的性味是（）

A.甘、辛、凉

B.辛、苦、热

C.辛、甘、温

D.淡、甘、寒

E.酸、苦、凉