TSH（促甲状腺素）是由甲状腺分泌的，受体内血浆甲状腺激素浓度反馈的影响。
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为了保证静态保护装置本题的正常运行，最高的周围环境温度不得超过（）度。
A. 30
B. 35
C. 40
In evacuation from a ship，an individual without the option of a survival craft or liferaft should enter the water on the leeward side，except when（）.
A. there is burning oil on the water
B. there is a rescue craft in the area
C. water temperature is below 40°F
D. a rigid survival craft is in the area
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