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阅读理解 Hi, everyone. My name is Jennifer and I'm thirteen years old. My friends often call all me Jenny becomes it's easy to say. I live in the west of England. I'm half English and half American because my mum is from England and my dad's from the USA. I'm tall and slim and I have very big feet. I think I'm quite pretty. I have long brown hair and big blue eyes. I'm very friendly and outgoing. In my free time I love listening to music, I love all kinds of music. I don't like shopping and make-up (化妆), but I like to look nice when (当……时候) I go out with my friends. 1. How old is Jenny? A. 13 B. 14 C. 15 D. 16 2. What is special about Jenny? A. She is fat. B. She has very short hair. C. She has big brown eyes. D. She has very big feet. 3. What does Jenny like doing? 4. Which sentence is WRONG about Jenny? A. Jenny lives in England. B. Jenny's mother comes from the USA. C. Jenny is friendly. D. Jenny doesn't like make-up.
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【单选题】将0.5600g含钙试样溶解成250mL试液,用0.2000d/L的EDTA路液满定,消耗30.00mL,则试样中CaO的含量为( )
A.
0.03
B.
0.0601
C.
0.1202
D.
0.3
【单选题】将0.5600g含钙试样溶解成250mL试液,用0.02000mol/L的EDTA溶液滴定,消耗30.00mL,则试样中CaO的含量为( )。M(CaO)=56.08g/mol
A.
.3.00%
B.
.6.01%
C.
0.1202
D.
0.3
【单选题】将0.5600g含钙试样溶解成250mL试液,用0.02000mol/L的EDTA溶液滴定,消耗30.00mL,则试样中CaO的含量为( )。M(CaO)=56.08g/mol
A.
0.03
B.
0.0601
C.
0.1202
D.
0.3
【简答题】将 0.5600g 含钙试样溶解成 250mL 试液,用 0.02000mol/L 的 EDTA 溶液滴定,消耗30.00mL,则试样中 的含量为( )。M()=56.08g/molA. 0.03 B. 0.0601 C. 0.1202 D. 0.3
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