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【单选题】
下面哪一类Ig参与粘膜局部抗感染A.
SIgA
B.
IgM
C.
IgG
D.
IgD
E.
IgE
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【简答题】In the morning， Ruth usually has a bath．27．In the morning， Ruth usually has a bath．
【单选题】Why is the supermodel Cindy Crawford mentioned in Para.7?
A.
Cindy Crawford is mentioned as an example to illustrate that beauty should be pursued by young ladies.
B.
Cindy Crawford is mentioned as an example to stress that beauty products can help women stimulate and restore their skin.
C.
Cindy Crawford is mentioned as an example to explain that beauty products should be applied via the tips of fingers to protect elasticity
D.
Cindy Crawford is mentioned as an example to show that beauty industry and the media have great influence on women's devotion to physical beauty and the use of beauty products.
【单选题】Charles Darwins biography by Ruth Padel
A.
quoted many of Ruth's books and letters.
B.
used Darwin's own poetic passages.
C.
plagiarized the entire pieces of other biographies.
D.
feels like a joint work by the author and the subject.
【简答题】单钢轮振动压路机主要是用于( ) 、( ) 、( )等的压实。
【简答题】如果用户组装计算机主要用于办公，则可选择【】生产商CPU。
【简答题】职业安全健康法规的基本原则包括()。 A.“安全第一”的原则 B.“预防为主”的原则 C.权责一致的原则 D.社会监督、依法治理的原则
【多选题】7-12.确定职业健康监护方法和检查指标的基本原则是（ ）。
A.
检查方法应是成熟的可靠的技术，不能在法定职业健康监护中进行科学实验或研究；
B.
检查方法和指标易为劳动者接受；
C.
应考虑检查指标的特异性和敏感性，避免使用不能满足要求的检查；
D.
考虑检查方法和检查指标的费用；
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