单选。
It like a panda.[ ]
A. looks
B. is
C. look
答案:A
根据句意及首字母或汉语提示,将单词的正确形式写在相应的横线上。
1. I'm very h _____, I want something to eat.
2. What l _____ do he and his friend speak?
3. We can read books in the _____ .
4. _____ to the park.
5. Please clean the room. It's very d _____. (脏的)
调查研究中,对研究因素所需的指标或数据进行测定或测量时容易产生以下哪类偏倚()。
A.纳入偏倚
B.测量偏倚
C.暴露怀疑偏倚
D.混杂偏倚
E.诊断怀疑偏倚