双方约定需要试车的,应当组织试车,试车不包括( )。
A.单机无负荷试车
B.双机荷载试车
C.联动无负荷试车
D.投料试车
参考答案:B
On my way home, I saw a young man with _____ shoulders trying to find out how _____ the river
is by walking across it. [ ]
A. wide; wide
B. broad; broad
C. broad; wide
D. wide; broad
效应T细胞通常识别血小板()。
A.膜蛋白
B.糖蛋白
C.α颗粒
D.致密颗粒
E.溶酶体