本题目来源于试卷: SL/HL Topic D3.1 Reproduction，类别为 IB生物学
[单选题]
3. Why are artificial dosesi px+*;vpvp f7 ofx x8:(om5k nhk hormones administered to women before the harvesting of eggcells for in-vitro fertilisation?hk5 xmno(x :k8
I. To suspend the normal menstrual cycle.
II. Because the woman is unable to produce egg-cells.
III. To cause superovulation.
IV. To prevent pregnancy before IVF treatment.
A. All of the above
B. II and III only
C. I and III only
D. I, III and IV only
参考答案: C
本题详细解析:
暂无
| 
