对系统性红斑狼疮关节痛描述不正确的是()
A.四肢大小关节均可出现疼痛
B.面部蝶形红斑是特征性改变
C.常伴有脱发
D.关节伸面有皮下结节
E.以女性青年多见
参考答案:D
—I never thought Jerry can speak English so fluentlyl.
—Well, actually he_________in the USA for two years.
A.was staying
B.stays
C.stayed
D.has stayed
对于上级的指示,只须参考执行。