英国议会于1721年颁布了《印花布法案》，禁止包括来自印度、中国等地的棉布进口。19世纪30年代之后，英国政府逐渐废除各领域的商品进口禁令。1853年，英国纺织业供应世界棉布需求量的45%，它消费的棉花则大部分来自美国南部，其余来自埃及、印度、巴西等地。这一变化是因为（ ）
A：英国殖民地扩大
B：世界市场最终形成
C：生产方式的变革
D：落后国家经济发展
Of all the three skirts, the blue one is .
我国实行无偿献血制度，健康成年公民参加无偿献血，能为挽救他人的生命奉献爱心．健康成年人每次献血多少不会影响健康（ ）
X
4
5
6
7
8
9
频数
1
2
26
40
29
find, eraser, book, some, a, is, my, too, where, under
This is my desk. Two____ are on it. One is my English book, and the other (另一本) is my math book. You can also see (也能看见)____CDs on the desk. The CDs are ____. My pencil box is on the desk,____. A pen,____ eraser and a ruler ____ in it. The pen is black, the____ is yellow, and the ruler is white. ____ is my pencil? Aha, it's under the desk. Is my computer game ____the desk，too? No, it isn't. Where is it? I can't____it in my room.
