衡量组织兴奋性高低的指标是
A．肌肉收缩的强度B．腺细胞分泌的多少C．刺激频率的高低D．刺激强度的大小E．动作电位的幅度
参考答案：D
根据汉语意思写单词
1. The little dog is very sad, because it can't find its ________ (主人).
2. The girl in a ________ (马尾辫)over there is my sister.
3. When you want to get a job from a company, you should give them your ________ (简历).
4. Tom is a ________ (有礼貌)boy. He always says "hello" to his teachers.
5. I want to play tennis with my friends, but I can't find my ________ (球拍).
恶性程度最高、预后最差的乳腺癌是
A． * * 湿疹样乳腺癌
B． * * 状癌
C．炎性乳腺癌
D．髄样癌（伴淋巴细胞侵润）
E．髄样癌（不伴大量淋巴细胞侵润）
