圬工防护中，用于封闭各种软质岩层和较破碎的挖方边坡及坡面易受侵蚀的土质边坡是指( )。
A. 框格防护
B. 护面墙
C. 石砌护坡
D. 石笼
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针对临床医护人员举办“SARS的医源性感染途径”专题讲座，根据健康信念模式，其目的是使他们知觉到
A. 疾病的危害性
B. 疾病的易感性
C. 预防保护行为的效益
D. 预防保护行为的障碍
E. 自我效能
What happens to a male elephant when it grows up
A. He often lives together with his wife.
B. He leaves the family.
C. He tries to form a new family.
D. He lives with other male friends.
34岁女性，头晕乏力4周，如诊断极重度贫血，则Hb
A. ＜20g/L
B. ＜30g/L
C. 30～59g/L
D. 60～90g/L
E. ＞90g/L
The report __________ for advertisers offers __________ to them.
A. written, a new picture of women
B. written, a new photo
C. writing, a new book for persons
D. writing, a new book for women
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