在预制构件结构性能检验方法中，加载试验包括（）.
A.均布荷载
B.荷重块加载
C.千斤顶加载
D.竖向荷载
参考答案：A, D
After visiting the harbor in the bay, they took a tour around the downtown area, ______ they
visited many art galleries, shopping centers and had their lunch in a restaurant that served fancy foods. [ ]
A. which
B. as
C. where
D. what
1919年，在五四运动影响下，长沙创办进步刊物是什么？
