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【简答题】
The I-Travel office is open from Monday through (1) _______ . It's not open on Saturday and (2) _______ . Emi is in the U.S. from September through (3) _______ . She's in Japan from June through (4) _______ . In North America, the winter months are December, January, (5) _______ , and March. In North America, the summer is (6) _______ , July, and August. The first day of the year is (7) _______ 1st. The last day of the year is (8) _______ 31st.
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皮皮学刷刷变学霸
举一反三
【单选题】下列叙述中正确的是
A.
溶度积大的化合物溶解度一定大
B.
向含有AgCl固体的溶液中加入适量的水使AgCl溶解，又达到平衡时，AgCl的溶解度不变，溶度积也不变
C.
将难溶电解质放入纯水中，溶解达到平衡时，电解质离子的浓度的乘积就是该物质的溶度积
D.
AgCl水溶液的导电性很弱，所以AgCl是弱电解质