In
问题详情：
In ___ preparation for the launching of Chang’e I , scientists need ___ knowledge of weather changes .
A. the ; the B. a ; / C. / ; a D. the ; a
【回答】
C知识点：冠词
题型：选择题
问题详情：
In ___ preparation for the launching of Chang’e I , scientists need ___ knowledge of weather changes .
A. the ; the B. a ; / C. / ; a D. the ; a
【回答】
C知识点：冠词
题型：选择题
