关于应激反应的叙述,错误的是( )
A. 缺氧、创伤、精神紧张等有害刺激时出现
B. 有多种激素参与
C. 血中肾上腺素、去甲肾上腺素浓度明显升高
D. 血中ACTH、糖皮质激素浓度明显升高
In 1953, when the writer entered the data processing field, he was _____ to learn that electronic computers could perform several thousand additions per second.
A. frightened
B. embarrassed
C. dismayed
D. astounded
Jill was _____ by her employees because she often scolded them for not working hard enough.
A. loathed
B. appreciated
C. cherished
D. praised
There is only one difference between an old man and a young one: the young one has a glorious future before him and the old one has a _____ future behind him.
A. splendid
B. dreamy
C. luxurious
D. fateful