网络计划发源于()。
A.德国
B.法国
C.日本
D.美国
参考答案:D
一个6个月以后的婴儿住院出现的最主要心理反应是()
A.恐惧
B.反抗
C.失望
D.否认
E.认生
Many people were afraid to go to swim when they remembered the scenes________ people were eaten by the big white shark.
A.in which
B.by which
C.which
D.that