指屈腱肌炎多发于（）。
A.拇指
B.中指
C.无名指
D.小指
E.食指
参考答案：A
下列几种生物，描述正确的是（ ）
A．①②③④都具有细胞结构
B．与人体细胞结构最相似的是②
C．③和⑤都有叶绿体，能进行光合作用
D．①常用来制作面包、馒头等食品
What a surprise! I _____ you _____ here in Wuxi. [ ]
A. don't know, are
B. don't know, were
C. didn't know, were
D. didn't know, are
