随着青春期的发展，血中水平在白天也呈阵发性升高的是（） A.LH B.FSH C.雌
题型：单项选择题 B1型题
问题：
随着青春期的发展，血中水平在白天也呈阵发性升高的是（）
A.LH
B.FSH
C.雌激素
D.雄激素
E.黄体酮
题型：单项选择题 B1型题
George，Frank，Peter，Betty和Susan正在各自打算去参观一座名塔。请仔细阅读题中的个人情况说明和A到E五座名塔的介绍，选出符合各人要求的最佳选项。
小题1:Susan is a college student. She is on holiday 'in July and would like to visit the tallest tower of the five below.
小题2:George, a student of history, is ready to write a paper on old towers. He is going to visit one in Europe.
小题3:Betty, a teacher from Australia, likes shopping very much. She is thinking of buying different things for her students.
小题4:Frank, from America, is traveling around the world. His last stop is to visit a tower where he can spend the night.
小题5:Peter is interested in plants and animals. He is now looking for a tower where he can see fish and other water animals.