能见度是指正常视力的观测者能将目标物从背景中区别出来的().
A、最大距离所相应的等级
B、最小距离所相应的等级
C、平均距离所相应的等级
D、程度
参考答案:A
患者女,40岁,因“左耳下肿物5年”来诊。查体:左耳下直径约2cm肿物,结节状,质硬,活动。
最常见的病理类型为()。
A.腺样囊性癌
B.腮腺混合瘤
C.黏液表皮样癌
D.腺淋巴瘤
E.恶性混合瘤
--- We ______ that you would fix the TV set this week.
--- I’m sorry. I ______ to fix it this week, but I’ve been too busy.
A.had expected; had intended
B.are expecting; had intended
C.expect; intend
D.expected; intend