The reason why the water in this area had been polluted was the ______ (poison) substances had been poured into the river.
查看答案
what does Jim’s mother think of his pictures
A. She thinks the pictures are beautiful.
B. She can hardly understand them.
C. She understands them well.
手术前用70%酒精浸泡双手臂需
A. 3分钟
B. 5分钟
C. 10～15分钟
D. 15～20分钟
E. 30分钟
What are in the sky in Jim’s pictures
A tree.
B. A plane.
C. Jim’s mother and trees.
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