问题补充:
单选题Parentshaveadutyto____theirchildrenfromtheharmfuleffectsoftheInternet.A.hideB.preventC.stopD.protect
答案:
D解析考查动词辨析。prevent/stop sb. from doing sth.阻止某人做某事 protect sb. from doing sth. 保护某人免受…没有hide sb. from sth 的短语,只有hide sth from sb把某事瞒着某人根据意思,应选D。