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【单选题】
毒性的上限指标有( )
A.
绝对致死量，最大耐受量，最大无作用剂量，最小致死量
B.
绝对致死量，最大耐受量，半数致死量，最小致死量
C.
绝对致死量，最大无作用剂量，阈剂量，半数耐受量
D.
绝对致死量，最大耐受量，最大无作用剂量，最小致死量
E.
绝对致死量，阈剂量，最大耐受量，最小致死量
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参考答案：
举一反三
【单选题】大写字母A的(十进制)ASCII码和小写字母a的ASCII相差( )。
A.
30
B.
32
C.
34
D.
36
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【多选题】命令可以约束哪些几何元素
A.
点
B.
体
C.
面
D.
线
查看完整题目与答案
【简答题】Let's invite some of my friends ______ my birthday party. [     ] A. at B  in C. to D. into
查看完整题目与答案
【判断题】供给的影响因素有:生产要素的价格、相关商品价格、政府政策、生产者人数、技术进步水平、生产者对未来的预期。
A.
正确
B.
错误
查看完整题目与答案
【单选题】I carefully poured the liquid into the water, my classmates _______ anxiously beside me to see what would happen.
A.
stood
B.
standing
C.
to stand
D.
were
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【单选题】Some of my friends are interested in science，but none of them can tell
A.
when UFOs will appear next time   
B.
why do horses know the way
C.
where was this kind of plant found  
D.
how do elephants communicate
查看完整题目与答案
【单选题】I carefully poured the liquid into the water, my classmates _______ anxiously beside me to see what would happen.
A.
stood
B.
standing
C.
to stand
D.
were standing
查看完整题目与答案
【单选题】“Not all my friends smoke” means :____.
A.
None of my friends smoke
B.
All my friends smoke
C.
Some of my friends smoke
D.
My friends don’t smoke
查看完整题目与答案
【简答题】“Jane, please let me borrow a dollar,” Jenny asked as they stood in the school lunch line. “I have one in my jacket, but I don’t want to 1 and lose my place.” “OK,” agreed Jane. Jane waited all day fo...
查看完整题目与答案
【简答题】I'll never forget the days when I camped (野营) with my classmates last summer. Early in the morning, 200 1 from the 4th grade gathered at the bus station. After saying goodbye to our parents, we stood ...
查看完整题目与答案
相关题目：
【单选题】大写字母A的(十进制)ASCII码和小写字母a的ASCII相差( )。
A.
30
B.
32
C.
34
D.
36
查看完整题目与答案
【多选题】命令可以约束哪些几何元素
A.
点
B.
体
C.
面
D.
线
查看完整题目与答案
【简答题】Let's invite some of my friends ______ my birthday party. [     ] A. at B  in C. to D. into
查看完整题目与答案
【判断题】供给的影响因素有:生产要素的价格、相关商品价格、政府政策、生产者人数、技术进步水平、生产者对未来的预期。
A.
正确
B.
错误
查看完整题目与答案
【单选题】I carefully poured the liquid into the water, my classmates _______ anxiously beside me to see what would happen.
A.
stood
B.
standing
C.
to stand
D.
were
查看完整题目与答案
【单选题】Some of my friends are interested in science，but none of them can tell
A.
when UFOs will appear next time   
B.
why do horses know the way
C.
where was this kind of plant found  
D.
how do elephants communicate
查看完整题目与答案
【单选题】I carefully poured the liquid into the water, my classmates _______ anxiously beside me to see what would happen.
A.
stood
B.
standing
C.
to stand
D.
were standing
查看完整题目与答案
【单选题】“Not all my friends smoke” means :____.
A.
None of my friends smoke
B.
All my friends smoke
C.
Some of my friends smoke
D.
My friends don’t smoke
查看完整题目与答案
【简答题】“Jane, please let me borrow a dollar,” Jenny asked as they stood in the school lunch line. “I have one in my jacket, but I don’t want to 1 and lose my place.” “OK,” agreed Jane. Jane waited all day fo...
查看完整题目与答案
【简答题】I'll never forget the days when I camped (野营) with my classmates last summer. Early in the morning, 200 1 from the 4th grade gathered at the bus station. After saying goodbye to our parents, we stood ...
查看完整题目与答案
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