按照附件十七的内容,任何可以用来致伤的物体,称为顿头器械。()
参考答案:错
用所给词的适当形式填空.
1. The polar bears are kind of (aggress).
2. He was____ (surprise) to find no one in the zoo.
3. Zoos are like (live) textbooks for young people.
4. He ________(use) to be a teacher.
5. How much do you (weight)?
天花粉来源于()
A.葫芦科植物栝楼或双边栝楼的干燥花及花粉
B.葫芦科植物栝楼或双边栝楼的干燥花粉
C.葫芦科植物栝楼或双边栝楼的干燥根茎
D.葫芦科植物栝楼或双边栝楼的干燥根
E.葫芦科植物栝楼或双边栝楼的干燥根及根茎