题目
Developing the Yangtze River Economic Belt is a systematic project which ______ a clear road map and timetable．（ ）A. calls forB. calls onC. calls offD. calls up
Developing the Yangtze River Economic Belt is a systematic project which ______ a clear road map and timetable．（ ）
A. calls for
B. calls on
C. calls off
D. calls up
题目解答
答案
A. calls for
解析
本题考查动词短语。call for需要；call on拜访（某人）；call off取消；call up给…打电话。根据句意，A项正确。