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【简答题】
如图所示，表示的是某航空公司托运行李的费用y（元）与托运行李的质量x(千 克)的关系，由图中可知行李的质量,只要不超过_________千克，就可以免费托运．
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举一反三
【多选题】病历摘要:患者，女性，25岁，头昏乏力半年多。血象特点：血红蛋白7g/L，红细胞2.0×10 /L，红细胞体积正常；网织红细胞数增多；白细胞计数及分类正常；血小板计数增高。初诊为溶血性贫血。
血管内溶血的特点（）
A.
寒战、高热、腰背酸痛
B.
血红蛋白尿
C.
血红蛋白血症
D.
血清结合珠蛋白增高
E.
脾脏不一定肿大
【单选题】Make the best choice according to what you hear.
A.
Make you look tidy.
B.
Improve your performance.
C.
Take care of your socks.
D.
Your socks aren’t decent enough.
【单选题】Make the best choice according to what you hear.
A.
The restaurant is very expensive.
B.
The restaurant offers quiet surroundings.
C.
The restaurant serves good food.
D.
The restaurant is too far from their school.
【单选题】Make the best choice according to what you hear.
A.
Young people don’t like their parents.
B.
Different generations hold different ideas.
C.
The world is changing faster than in the past.
D.
Parents like their children more than in the past.
【简答题】可编程序控制器是如何分类的?简述其特点。
【单选题】Make the best choice according to what you hear.
A.
At the bank.
B.
At the restaurant.
C.
At the post office.
D.
At the police station.
【多选题】病历摘要:患者，女性，25岁，头昏乏力半年多。血象特点：血红蛋白7g/L，红细胞2.0×10 /L，红细胞体积正常；网织红细胞数增多；白细胞计数及分类正常；血小板计数增高。初诊为溶血性贫血。
血管外溶血的特点（）
A.
脾肿大
B.
血红蛋白血症
C.
尿含铁血红素阳性
D.
血浆结合珠蛋白减少
E.
贫血、黄疸
【单选题】Make the best choice according to what you hear.
A.
He will improve his French.
B.
He will come up with an idea.
C.
He will write the whole email.
D.
He will try to help the woman.
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