同沉积褶皱在形态上表现为()。
A、顶厚褶皱;
B、顶薄褶皱;
C、相似褶皱;
D、等厚褶皱
参考答案:B
The old man ____ for three years. [ ]
A. has died
B. has been died
C. has been dead
在下列各句横线处,依次填人最恰当的词语.①总经理在办公会上的话,(*
A.包含 帮忙 伴随
B.包涵 帮忙 伴当
C.包涵 帮佣 伴随
D.包含 帮佣 伴当