问题
单项选择题
患儿，诊断多发性抽动症。症见面红目赤，烦躁易怒，挤眉弄眼，摇头耸肩，大便秘结，舌红，苔黄，脉弦数。其治法是
A．清肝泻火，熄风镇惊
B．泻火涤痰，清心安神
C．益气健脾，平肝熄风
D．滋阴潜阳，柔肝熄风
E．泻火除烦，镇肝熄风
答案
参考答案：A
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患儿，诊断多发性抽动症。症见面红目赤，烦躁易怒，挤眉弄眼，摇头耸肩，大便秘结，舌红，苔黄，脉弦数。其治法是
A．清肝泻火，熄风镇惊
B．泻火涤痰，清心安神
C．益气健脾，平肝熄风
D．滋阴潜阳，柔肝熄风
E．泻火除烦，镇肝熄风
参考答案：A
| As viewed from space, the Earth’s distinguishing characteristics are its blue waters and white clouds. Enveloped by an ocean of air consisting of 78% nitrogen and 21% oxygen, the planet is the only one in our solar system known to harbor life. Circling the Sun at an average distance of 149 million km (93 million miles), the Earth is the third planet from the Sun and the fifth largest planet in the solar system. Its rapid and molten nickel-iron core give rise to an extensive magnetic field which, coupled with the atmosphere, shields us from nearly all of the harmful radiation coming from the Sun and other stars. Most meteors burn up in the Earth’s atmosphere before they can strike the surface. The planet’s active geological processes have left no evidence of the ancient pelting it almost certainly received soon after it was formed. The Earth has a single natural satellite-the Moon. |
What two factors help protect the Earth from radiation
A．Magnetic field and atmosphere
B．Rapid spin and molten iron-nickel core
C．The Sun and the Moon
D．Blue waters and white clouds