重大件货物绑扎的主要目的是()。
①防止上跳②防止倾覆③防止水平移动
A.①②
B.①③
C.②③
D.①②③
参考答案:C
The ______ Approach emphasizes on natural communication rather than formal grammar study and is tolerance of learners’errors.
可发生高尿酸血症的是()
A.SM
B.INH
C.PZA
D.EMB
E.RFP