【单选题】Why do American boys do better in math while girls usually excel in reading skills?
A.
Boys are interested in math while girls usually like reading.
B.
Boys have a math gene and girls have inborn reading skills.
C.
Boys get more training in math and girls get more training in reading.
D.
Boys are persupposed to be good at math and girls at reading.
【单选题】为了便于拆装和防止电机轴拉伤,韶山4型电力机车电机轴和小齿轮内孔用()的锥度通过过盈紧配合连接在一起。
【单选题】While the boys were ice skating , they slip on the thin ice and fell into the deep A B C D water.
【单选题】为了便于拆装和防止电机轴拉伤,韶山4型电力机车电机轴和小齿轮内孔用( )的锥度通过过盈紧配合连接在一起。
【单选题】成型的塑件在动、定模边都设有型芯,且塑件对两型芯的收缩力和包紧力都相差不多时,或其他原因造成对动、定模留模倾向难以判断时,这时在 都设有脱模机构,无论制品留在那一侧均能脱出。
【单选题】Why do American boys do better in math while girls usually excel in reading skills?
A.
Boys are interested in math while girls usually like reading.
B.
Boys have a math gene and girls have inborn reading skills.
C.
Boys get more training in math and girls get more training in reading.
D.
Boys are presupposed to be good at math and girls at reading.