如果救生筏不能抛放(出口被堵/水位高于机门口),那么将救生筏转移至另一适用处。()
参考答案:对
.John sold the camera yesterday which his brother ________ him as a birthday present from Japan.
A.has sent
B.had sent
C.was sending
D.would send
最易发生房室传导阻滞的心肌梗死是()
A.前壁心肌梗死
B.前间壁心肌梗死
C.广泛前壁心肌梗死
D.下壁心肌梗死
E.高侧壁心肌梗死