[填空题]有一只标有100Ω/4w的电阻，在正常工作的情况下，允许流过的电流是（）安培。

Male lions are rather reticent about expending their energy in hunting—more than three quarters of kills are made by lionesses. Setting off at dusk on a hunt, the lionesses are in front, tensely scanning ahead, the cubs lag playfully behind, and the males bring up the rear, walking slowly, their heads nodding with each step as if they are bored with the whole matter. But slothfulness may have survival value. With lionesses busy hunting, the males function as guards for the cubs, protecting them particularly from hyenas.
Hunting lionesses have learnt to take advantage of their environment. Darkness provides them with cover, and at dusk they often wait near animals they want to kill until their outlines blend into the surroundings. Small prey, such as gazelle, present lions with no problem. They are simply grabbed with the paws, or slapped down and finished off with a bite in the neck. A different technique is used with large animals, such as wild beast. Usually a lio
A. Lions usually come out in the early evening
B. Male lions often act as attackers and killers when hunting
C. Lions do not use the same technique when hunting
D. Female lions can kill animals twice their own weight

女性，18岁，诊断为特发性血小板减少性紫癜，贫血貌，牙龈出血，双下肢紫癜，月经多，肝脾肋下未触及，血红蛋白100g／L，白细胞10×10⁹／L，血小板20×10⁹／L，骨髓象提示巨核细胞增多。