1. [单选题]Some people eat with their eyes. They prefer to order what _____ nice.
A. looks
B. smells
C. feels
D. tastes
2. [单选题]C Too much TV-watching can harm children’s ability to learn and even reduce their chances of getting a college degree,new studies suggest in the latest effort to examine the effects of television on children.One of the studies looked at nearly 400northern California third-graders.Those with TVs in their bedrooms scored about eight points lower on math and language arts tests than children without bedroom TVs.
A. A second study ,looking at nearly 1000 grown-ups in New Zealand,found lower education levels among 26-year –olds who had watched lots of TV during childhood .But the results don’t prove that TV is the cause and don't ride out that alxeady poorly motivated youngstersC年轻人）may wash lots of TV.
B. Their study measured the TV habits of 26-year-olds between ages5 and 15. These with college degrees had watched拍average of tess than two hours ofTV per weekninght during childhood, compared with an averageofme than 2 1/2 hours fcf those wbe had no education beyond high school
C. In the California study, children with TVs in their rooms but no computer at home scored the lowest while those with no bedroom TV but who had home computers scored the highesl
D. While this study does not prove that bedroom TV sets caused the lower scores , it adds to accumulating fimiings that children shonldn't have TVs in their bedrooms
E. According to the Califomia study, the inw-scoring group might
F. have watched a lot of TV
G. not be interested ted in math
H. be unable to go to college
I. have had computers in their bedrooms
3. [单选题]由珠心或珠被细胞直接发育而成的胚称不定胚。( )
A. 正确
B. 错误
4. [单选题]叶基二裂片向两侧外指，称( )。
A. 耳形
B. 箭形
C. 匙形
D. 戟形
5. [单选题]根据下列条件，回答 30～31 题： 1978年安徽小岗村18家农户决定分田到户，揭开了中国农村家庭(chinese rural family)联产承包责任制的序幕。在经济体制改革的进程中，小岗村不断探索致富之路。2006年1月，该村决定重新走上合作经济的道路，规划了“调整产业结构、发展红色旅游、着力办好工业园”的发展战略，迈进跨越式发展的新阶段(new stage)。 第16题：辽与西夏分别是契丹与党项建立的少数民族政权，两者的相似之处是
A. 两族均源出秦汉时期的东胡
B. 创立政权在宋朝建立之后
C. 仿汉字结构创制本民族文字
D. 均曾与北宋结为兄弟之国
