阅读理解
B
    I went to Paris last August．I went there with my friend Jeff．We went by train．We stayed for five days in a small hotel in the center of Paris. The hotel was not expensive .Our room was OK—it was old，but very clean.
    In the mornings we visited all the famous tourist sights(著名的旅游景点)and museums．The Louvre Museum was my favorite ! We usually had some bread for lunch in a park．In the afternoons we walked around Paris．We took a lot of photos! And we had crepes! They were delicious! After a little sleep and a shower, in the evenings．We had dinner in small restaurants and then we went to pubs(酒吧)．We met very interesting people! We also made some good friends．
    We didn't buy any gifts．Everything was very expensive．But we sent(邮寄)very beautiful postcards(明信片)to our friends．We had a lot of fun ! It was an excellent holiday!
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小明的爸爸走遍了中国所有的少数民族自治区，他走了多少个（　　）

“美国宪法之父”麦迪逊说：“如果人人都是天使，就不需要任何政府了；如果是天使统治人，就不需要对政府有或内在的控制了。” 麦迪逊要阐明的观点是

在如图所示电路中，闭合开关S后，电压表示数为2V，两个电流表的指针在如右图所示的同一位置。则通过电灯L₁的电流I₁=____  A；通过电灯L₂的电流I₂=____ A，L₁的电阻为____ Ω。

下列句中划线的成语，运用正确的一项是（    ）