最常见于指甲下的肿瘤是()
A.毛细血管瘤
B.血管球瘤
C.汗腺瘤
D.腱鞘巨细胞瘤
E.内生性软骨瘤
参考答案:B
.—We flew to Egypt for the holiday and we all had a wonderful time.
—_________.
A.Oh, that’s very nice of you
B.Congratulations to you
C.Oh, I’m glad to hear that
D.It’s a pleasure
蛲虫病难防治的主要原因是()
A.生活史为直接型
B.雌虫产卵量大
C.虫卵抵抗力强
D.雌虫寿命长
E.易反复感染