问题
单项选择题
关于月经周期的叙述,正确的是()。
A.排卵发生在分泌期末
B.增殖期中,在雌激素和孕激素作用下子宫内膜增生变厚
C.切除双侧卵巢后月经周期消失
D.在增殖期和分泌期只出现一次雌激素高峰
E.在月经周期中卵巢的变化分为增殖期、分泌期和月经期
答案
参考答案:C
关于月经周期的叙述,正确的是()。
A.排卵发生在分泌期末
B.增殖期中,在雌激素和孕激素作用下子宫内膜增生变厚
C.切除双侧卵巢后月经周期消失
D.在增殖期和分泌期只出现一次雌激素高峰
E.在月经周期中卵巢的变化分为增殖期、分泌期和月经期
参考答案:C
情景交际。根据对话内容,从方框内选择适当的句子补全对话。有两项多余。 | |
Jack: We are going to my teacher's house for dinner tomorrow. 1 Lucy: 2 We can bring some candies (糖果) or toys for the kids. Jack: But I'm not sure whether they'd like them. Lucy: 3 I usually bring flowers when it's hard to choose a suitable (适合的) present. Jack: 4 I may also buy a small vase. (花瓶) Lucy: Great! Jack: Will you go to choose (选择) some flowers with me? Lucy: 5 1._____ 2._____ 3._____ 4._____ 5._____ |