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【单选题】
下列化合物不属于环烯醚萜苷的是A.
龙胆苦苷
B.
栀子苷
C.
桃叶珊瑚苷
D.
苷
E.
獐芽菜苷
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举一反三
【简答题】Symptoms can include: Fever Cough Shortness of breath 这三个症状的中文表述为?
【单选题】It can be difficult to know if you are suffering from the common cold, or the flu. Each can cause fatigue and weakness. Symptoms for each can include a stuffy nose, sneezing, sore throat, chest discom...
A.
However, a cold sufferer rarely has a high fever, or headache, nor does a cold suffer experience extreme exhaustion from his malaise
B.
However, both of them can make you feel miserable.
C.
Antiviral medications may be prescribed by your doctor for the flu.
D.
The flu’s complications are more serious than those from a cold, and could even turn out to be life threatening.
【单选题】About 10% of the human population (and up to 50% of people in impoverished communities) suffers from folic acid deficiency. When the deficiency is severe, the symptoms can include heart disease, cance...
A.
A
B.
T
C.
U
D.
G
【简答题】假设 w 1 (0)=0.2, w 2 (0)=0.4, θ (0)=0.3, η =0.4 ,请用单层感知器完成逻辑或运算的学习过程。
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