A、B、C、D、E五种短周期元素中,A、B、C位于同一周期相邻位置,A和C的原子

题型:不定项选择题

问题:

A、B、C、D、E五种短周期元素中,A、B、C位于同一周期相邻位置,A和C的原子序数之比为3:4,A、B、C 分别与D形成的化合物分子中都含有10个电子,E的原子结构从内到外各电子层的电子数之比为1:4:1下列叙述中正确的是[ ]

A.A、B、C分别与D形成的化合物的热稳定性依次增强

B.由A、C原子构成的分子和B、D原子构成的分子都是极性分子

C.B、C、D三种元素可以形成酸、碱或盐三类物质

D.E的单质在冷的浓硝酸中会发生钝化现象

考点:元素周期律元素的性质
题型:不定项选择题

合成胆固醇的限速酶是().

A.HMG CoA合成酶

B.HMG合成酶与裂解酶

C.HMG还原酶

D.HMG CoA还原酶

E.HMG合成酶与还原酶

题型:不定项选择题

Attractions in Wisconsin

Wisconsin Historical Museum

30 N. Carroll Street on Madison’s Capitol Square

Discover Wisconsin’s history and culture(文化) on four floors of exhibits. Open for public program. Admission is free.

Open Tuesday through Saturday, 9:00am -- 4:00 pm.

(608) 264-6555 www.wisconsinhistory.org/museum

Swiss historical village

612 Seventh Ave., New Glarus

The Swiss Historical Village offers a delightful look at pioneer life in America’s heartland. 14 buildings in the village give a full picture of every day life in the nineteenth-century Midwest.

Tue.—Fri., May 1st –October 31st , 10:00 am—4:00 pm. Admission is $20.

(608) 527-2317 www.swisshistoricalvillage.com

Artisan Gallery & Creamery Café

6858 Paoli Rd., Paoli, WI

One of the largest collections of fine arts and crafts(手工艺品) in Wisconsin. Over 5000 sp. ft. of exhibition space in a historic creamery. While visiting enjoy a wonderfully prepared lunch at our café overlooking the Sugar River. Just minutes from Madison!

Gallery open Tue. –Sun., 10:00 am—5:00 pm.

Café open Wed. –Sat., 11:00 am –3:00 pm.

Sun. brunch with wine, 10:00—3:00 pm.

(608) 845-6600 www.artisangal.com

Christopher Columbus Museum

239 Whitney St., Columbus

World-class exhibit –2000 quality souvenirs(纪念品) marking Chicago’s 1893 World Columbian Exhibition. Tour buses are always welcome.

Open daily, 8:15 am – 4:00 pm.

(920) 623-1992 www.columbusantiquemall.com

小题1:Which of the following is on Capitol Square?

A.Wisconsin Historical Museum.

B.Swiss Historical Village.

C.Artisan Gallery & Creamery Café.

D.Christopher Columbus Museum.小题2:Where can you go for a visit on Monday?

A.Wisconsin Historical Museum.

B.Swiss Historical Village.

C.Artisan Gallery & Creamery café.

D.Christopher Columbus Museum.小题3:Where can visitors have lunch?

A.At Wisconsin Historical Museum.

B.At Swiss Historical Village.

C.At Artisan Gallery & Creamery Café.

D.At Christopher Columbus Museum.小题4:We learn from the text that___________.

A.Swiss Historical Village is open for half a year

B.Christopher Columbus Museum overlooks a river

C.tickets are needed for Wisconsin Historical Museum

D.Artisan Gallery & Creamery Café are open daily for 4 hours

题型:不定项选择题

问题的提出发生在()阶段?

A、准备阶段

B、酝酿阶段

C、豁朗阶段

D、验证阶段

题型:不定项选择题

送风制度的主要作用是()、()以及(),使初始煤气流分布合理。

题型:不定项选择题

关于气象和地质灾害的说法,不正确的是______。

A.火山喷发能形成地热、矿产等资源
B.泥石流活动周期与暴雨、洪水的活动周期大体一致
C.沙尘天气形成和变化的主要因素是低层大气环流的变化
D.我国一般只在春夏季的长江淮河流域发生洪涝灾害

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