全身适应综合征的抵抗期体内起主要的激素是:
A. 糖皮质激素;
B. ADH;
C. Ald;
D. 胰岛素;
E. 儿茶酚胺。
Questions 1 to 4 are based on the conversation you have just heard.[音频]
A. The enormous size of its stores
B. Numerous varieties of food
C. Its appealing surroundings.
D. Its rich and colorful history
2)
An ancient building.
B. A world of antiques.
C. An Egyptian museum.
D. An Egyptian Memorial.
3)
A. Its power bill reaches $ 9 million a year.
B. It sells thousands of light bulbs a day.
C. It supplies power to a nearby town.
D. It generates 70% of the electricity it uses.