301. What color is your book? 你的书本是什么颜色的?
302. My book has a dark blue cover. 我的书本的封面是深蓝色的。
303. How much does that typewriter weigh? 那个打字机有多重?
304. It"s not too heavy,but I don"t know the exact weight.
它不是很重,但是我不知道它的精确重量。
305. This round table weighs about forty-five pounds.
这张圆桌子重45磅。