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【判断题】
采用甲基橙为指示剂,用HCl标液滴定Na2HPO4组分,终点颜色由黄色到橙色。[已知甲基橙pH变色范围:3.1-4.4;酸色:红色;碱色:黄色]( )A.
正确
B.
错误
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【单选题】睾丸精子肉芽肿的病变特点是在睾丸实质内呈现
A.
由凝固性坏死和肉芽组织组成的结节性病变
B.
由成纤维细胞、新生毛细血管、淋巴细胞、浆细胞等组成的结节性病变
C.
由上皮样细胞、多核巨细胞、淋巴细胞、干酪样坏死组成的结节性病变
D.
由灶状凝固性坏死、上皮样细胞、浆细胞组成的结节性病变
E.
由精子、成纤维细胞、新生毛细血管、淋巴细胞、浆细胞等组成的结节性病变
【简答题】从Ⅱ栏中找出与Ⅰ栏相匹配的句子。 Ⅰ Ⅱ 小题1: Helen did badly in the math exam. A. We usually feel sad. 小题2: Wang Fang looks unhappy. B. I ask my teacher to ...
【简答题】情景交际，根据对话情景选择恰当的选项。（每题2分，共10分） A. You are right. B. I did badly in the exam. C. That’s very nice of you. D. Why are you crying? E. You’re welcome! G. What’s wrong? A: Hello, Maria! 小题1: What’s wrong w...
【简答题】Sarah is 36 years old, and she lives in Canada. She has two young daughters. She works two days a week as a teacher. Her husband’s name is Nathan, and he’s a sales manager. Nathan’s job is very busy, ...
【简答题】完形填空 Kelly Hall is 1 bank clerk, she works in a bank in town. She is 2 from morning till night. She gets up at six o'clock in the morning and 3 at half past six. After that she prepares (准备) 4 . She h...
【简答题】在PHP中定义常量的函数是( )
【简答题】从Ⅱ栏中找出与Ⅰ栏相匹配的句子。 Ⅰ ( )1. Helen did badly in the math exam. ( )2. Wang Fang looks unhappy. ( )3. I moved to this new city this year. ( )4. I don't know how to solve this problem. ( ...
【简答题】从II栏中选出与I栏相对应的答语，并将答案写在前面的括号内（5分） I II 小题1:Helen did badly in the math exam. A. We usually feel sad. 小题2:Wang Fang looks unhappy. B. I d...
【简答题】根据对话情景选择恰当的选项，其中有两项是多余的。 A. You are right. B. I did badly in the exam. C. What a shame! D. That’s very nice of you. E. Why are you crying? F. That’s all. G. You’re welcom...
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