问题 填空题 案例分析题

下图是人体生命活动部分调节示意图,其中甲-丙表示细胞,①-③表示相关过程,X-Z表示相关激素,激素X是一种糖蛋白,激素Y是一种含碘的氨基酸衍生物。

如果用含激素Y的饲料饲喂正常动物,则该动物激素X的分泌量变化是()。如果用含激素x的饲料饲喂正常动物,则①、②过程的生理效应()(“有”或“无”)明显变化。

答案

参考答案:减少;无

单项选择题
阅读理解
School uniforms are common in primary and secondary schools in many countries. Here’s a list of countries below.

 In Brazil, students wear uniforms in private schools. But in public schools, students don’t have to wear uniforms although they might have one. In general, the uniforms are a pair of blue pants and a white T-shirt with the school symbol printed on it.

 School uniforms are used in Cuba. All students wear school uniforms with the color as a symbol of grade level. Children also wear scarves because they are young pioneers(少先队员).

Japan introduced school uniforms in the late 19th century. Today, school uniforms are very common. Many boys wear white shirts, short pants and caps. Girls’ uniforms might include a gray pleated (褶)skirt and a white blouse.

 In Singapore, all students must wear uniforms. Though the colors are different from school to school. The normal uniform for boys is shorts or long pants, with a shirt (often white), while girls wear white pinafores(连衣裙) or skirts.
 
小题1:In Brazil, where is the school symbol?
A.On the pantsB.On the shoesC.On the T-shirtD.On the socks
小题2:In Cuba a student wears the scarf as a symbol of _____.
A.grade levelB.cold weatherC.public schoolD.young pioneer
小题3:A Japanese girl’s uniform is _____.
A.a pair of blue pants and a white T-shirt
B.a gray skirt and a white blouse
C.a white shirt, short pants and a cap
D.a pinafore or a white skirt
小题4:Which is true about the students’ uniforms in Singapore?
A.School uniforms are the same as China’s.
B.Only the students in private schools wear uniforms.
C.Boys’ uniforms are different from girl’s in color.
D.Students usually wear white shirts or skirts.
小题5:On the school day, a student doesn’t wear the uniform. He probably comes from ______.
A.BrazilB.CubaC.Japan D.Singapore