单选题 In England, the first calls to restrict advertising came in 1963 from the Royal College of Physicians, who highlighted the health problems associated with smoking and recommended that stricter laws (150) imposed on the Sale and advertising of tobacco products. In 1971, the government and the tobacco industry reached an agreement that included the health warnings on all cigarette packets. All television commercials for cigarettes were banned starting from August 1, 1965, (151) commercials for loose tobacco and cigars continued until 1991.
Non-television advertising campaigns were still allowed in the UK but came under stricter guidelines in 1986, which in particular, prevented advertisements (152) a person smoking.

【正确答案】 A
【答案解析】本句测试意志动词的用法：
意志动词通常有下列4类：
1) 建议：suggest、recommend、advise、propose
2) 要求：ask、demand、require、request
3) 命令：order、command
4) 规定：rule
以上意志动词之后接that从句时，that从句中的主语之后恒使用助动词should，且should可省略，保留之后的动词原形。
[例] I proposed that the meeting (should) be postponed until next Friday.
(我提议该会议应延至下星期五再举行。)
根据上述，原句空格前有意志动词recommended(建议)，且之后接that从句作宾语。得知该that从句当中的主语之后应省略了助动词should，而保留动词原形be，故得知(A)应为正选。
【正确答案】 B
【答案解析】(A)so conj. 所以
[例] He stayed up last night, so he didn't catch the school bus this morning.
(他昨晚熬夜，所以今天早上没赶上学校公车。)
(B)but conj.但是
[例] David is eloquent, but he rarely talks.
(大卫口才很好，但是他很少说话。)
(C)also adv. 也
[例] Frank is also a devoted Christian.
(弗兰克也是一位虔诚的基督教徒。)
(D)when conj.当
[例] She is good at dancing, and she also sings well.
(她舞跳得很不错，歌也唱得好。)
由于(C)是副词，不可用来连接两个从句，故仅(A)、(B)、(D)可能为正确选项。唯根据上下文语意，(B)应为正选。
【正确答案】 D
【答案解析】本句测试下列固定用法：
prevent sb from+N/V-ing 阻止某人……
[例] John's father prevents him from associating with Mary.
(约翰的爸爸阻止他和玛丽交往。)
根据上述，(D)应为正选。