问题
单项选择题
下列对激素调控的描述中，正确的是（）
A.激素调控是通过改变细胞的代谢而发挥效能的
B.激素调控的启动较快，持续时间较长
C.人和高等动物的生理活动主要是通过激素调控来协调的
D.激素调控迅速而精确，反应时间短
答案
参考答案：A
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下列对激素调控的描述中，正确的是（）
A.激素调控是通过改变细胞的代谢而发挥效能的
B.激素调控的启动较快，持续时间较长
C.人和高等动物的生理活动主要是通过激素调控来协调的
D.激素调控迅速而精确，反应时间短
参考答案：A
完形填空（共20小题；每小题1分，满分20分） 阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出空白处的最佳选项，并在答题卡上将该项涂黑。 One day in summer I stepped into a tiny coffee shop to drink a cup of black coffee. As I entered, I found a very old woman bent 小题1: a table near the door. Her back was so 小题2:twisted(弯曲) by some sadness that her face nearly 小题3: the table-top. I sat down facing her two tables away. "Poor woman," I thought. "What does she 小题4: life? Why does God let people live so 小题5: past their prime(黄金时期)?" As I thought, 小题6: aged lady entered the shop and sat down with her. Soon the two of them were talking about 小题7: . They talked of how little the shop had 小题8: in 70 years... In minutes the two of them were 小题9: with laughter. I looked again at the 小题10: woman, then in the mirror on a nearby wall, 小题11: a picture of myself. I was wearing a dirty shirt. She was well dressed in white, gold rings on her fingers. I was in 小题12: spirits. She was laughing, smiling. I was putting the 小题13: of my life together. She had millions of wonderful 小题14: to recall. She was 小题15: the day with a good friend. I was 小题16: worried about getting old. She was old but it wasn't 小题17: her. As  I left the shop, I thought of my 小题18: questions about God letting people live past their prime. Why, that woman was more 小题19: and more sensitive than I was. 小题20: has not bent her spirit. But I am always filling my mind with something unpleasant.
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