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Your support is important to our work.__________you can do helps. 2. The most pleasant thing of the rainy season is__________one can be entirely free from dust. 3. The manager put forward a suggestion_________we should have an assistant. There is too much work todo. 4. It is often the case_________anything is possible for those who hang on to hope. 5. I truly believe________beauty comes from within. 6. __________we understand things has a lot to do with what we feel. 7. If you swim in a river or lake, be sure to investigate__________is below the water surface. Often there are rocks or branches hidden in the water. 8. We must find out_______Karl is coming, so we can book a room for him. 9. Reading her biography, I was lost in admiration for_________Doris Lessing had achieved in literature. 10. It is difficult for us to imagine________life was like for slaves in the ancient world. 11. Exactly________ the potato was introduced into Europe is uncertain, but it was probably around 1565. 12. I think________impresses me about his painting is the colors he uses. 13. Pick yourself up. Courage is doing_________you are afraid to do. 14. ‘Every time you eat a sweet, drink green tea. This is_________my mother used to tell me. 15. –What a mess. You are always so lazy. --I am not to blame,mum. I am________you have made me. 16. As John Lennon once said , life is_______happens to you while you are busy making other plans. 17. _______makes the book so extraordinary is the creative imagination of the writer. 18. Experts believe_________people can waste less food by shopping only when it is necessary. 19. ________I want to tell you is the deep love and respect I have for my parents. 20. ________struck me most in the movie was the father’s deep love for my son. 21. The only way to succeed at the highest level is to have total belief______you are better than anyone else on the sports field. 22. Do not let any failures discourage you, for you can never tell______close you may be to victory.
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【单选题】采用直接酸碱滴定法测定阿司匹林的含量时,已知阿司匹林的分子量为180.2,所用氢氧化钠滴定溶液的浓度为0.1mol/L,1ml氢氧化钠滴定溶液相当于阿司匹林的量应是( )
A.
180.2mg
B.
180.2g
C.
18.02 mg
D.
1.802mg
【单选题】采用直接酸碱滴定法测定阿司匹林的含量时,已知阿司匹林的分子量为180.2,所用氢氧化钠滴定液的浓度为0.1mol/L,1ml氢氧化钠滴定液相当于阿司匹林的量应是( )
A.
180.2mg
B.
180.2g
C.
18.02mg
D.
1.802mg
【判断题】乳腺癌是女性所面临的头号癌症杀手。
A.
正确
B.
错误
【单选题】公犬的排尿姿势是 ( )。
A.
不作准备动作 , 尿液呈细流状排出 , 行走或进食均可排尿
B.
尿液呈急促而断续地射出。
C.
将一后肢抬起翘在墙壁上或其他物体上而尿液射在该处。
D.
后肢向侧方展开 , 尿液呈股状断续地向后方射出 , 还可不时中断
E.
后肢张开 , 拱背举尾 , 腹肌收缩 , 尿液呈急流状排出
【单选题】一公犬突然出现精神沉郁、厌食,血尿,触诊肾区疼痛明显,运步强拘,步态紧张,不断作排尿姿势,该犬最有可能患的是:( )。 ,
A.
膀胱结石
B.
尿道结石
C.
肾结石
D.
输尿管结石
E.
泌尿道结石
【简答题】取本品约0.4g,精密称定为0.4002g,加 中性乙醇 (对酚酞指示液显中性)20ml溶解后,加酚酞指示液3滴,用浓度为0.1015 mol/L 氢氧化钠滴定液 滴定,消耗滴定液体积为21.82ml。计算阿司匹林的含量。已知每1ml氢氧化钠滴定液(0.1mol/L)相当于18.02mg 的C 9 H 8 O 4 。
【判断题】沈佺期的《杂诗》不仅有讽刺,也深挚地表达了对幸福的希求和渴望。()
A.
正确
B.
错误
【单选题】公犬 的 排尿姿势 是
A.
将一后肢抬起 翘 在墙壁上或其他物体上而尿液射在该处
B.
后肢向侧方展开 ,尿液呈股状断续地向后方射出,还可不时中断
C.
后肢张开 ,拱背举尾,腹肌收缩,尿液呈急流状排出
D.
不作准备动作 ,尿液呈细流状排出,行走或进食均可排尿
【简答题】阿司匹林含量测定,取本品,精密称定为0.4412g,加中性乙醇(对酚酞指示液显中性)20ml溶解后,加酚酞指示液3滴,用氢氧化钠滴定液(0.1042mol/L)滴定至终点,消耗滴定液22.60ml。(每1ml氢氧化钠滴定液(0.1mol/L)相当于18.02mg的C 9 H 8 O 4 )A. 滴定液被消耗的体积B. 浓度校正因子C. 滴定度D. 取样量E. 滴定液实际浓度
【单选题】公犬的排尿姿势是
A.
将一后肢抬起 翘 在墙壁上或其他物体上而尿液射在该处
B.
不作准备动作 ,尿液呈细流状排出,行走或进食均可排尿
C.
尿液呈急促而断续地射出
D.
后肢张开 ,拱背举尾,腹肌收缩,尿液呈急流状排出
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