题目

On her son's arrival, she ______ her son's face as if she hadn't seen him for years.A.noticed B.looked at C.scanned D.saw 答案：【答案】C【解析】考查动词词义辨析。句意：她儿子一到，她就端详着他的脸，好像好几年没见过他似的。A. noticed注意到；B. looked at看着；C. scanned端详；D. saw看见。根据句意，尤其是as if she hadn’t seen him for years.可知她看得很仔细，用“端详”符合语境，故选C项。计算12﹣3×2时，应先算减法．　 　．