眼睑恶性肿瘤中发病率占首位的是()。
A.睑板腺癌
B.基底细胞癌
C.恶性黑色素瘤
D.鳞状细胞癌
E.黄色瘤
参考答案:B
解析:眼睑恶性肿瘤中发病率占首位的是基底细胞癌。
It is usually warm in my hometown in March, but it _____ be rather cold sometimes. [ ]
A. must
B. can
C. should
D. would
什么是机车车辆限界和建筑接近限界?