问题
多项选择题
半自动血凝仪的主要特点是（）
A.手工加样加试剂
B.操作简便
C.应用检测方法少
D.测量精度低于手工
E.速度慢
答案
参考答案：A, B, C, E
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半自动血凝仪的主要特点是（）
A.手工加样加试剂
B.操作简便
C.应用检测方法少
D.测量精度低于手工
E.速度慢
参考答案：A, B, C, E
| 完形填空 | ||||
| There's a zoo in our city. My parents often take me there 1 Sundays. I like 2 . I have a lot of toy animals in my room. In the 3 I can see tigers, elephants, pandas and many other animals. Some animals are friendly, 4 some are not. Tigers, bears and lions are 5 . That's 6 they have to stay in cages. But I think it's bad for animals to stay in cages. The animal in cages can't be 7 . I think the most interesting animals in the zoo are the dolphins. I like 8 them swim. They can play 9 a ball. They are very 10 to people. If you fall into water and can't swim, they can come to help you. | ||||
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