[单项选择]额面QRS心电轴右偏可见于以下情况，但除外（）。
A. 垂位心
B. 心脏左移
C. 右心室肥大
D. 左心室肌萎缩或梗死
E. 6个月以内的婴儿

Our boat floated on (漂流) ,between walls of forest too thick to allow us a view of the land we were passing (21) though we knew from the map that our river must from time to time be passing through chains of hills. (22) did we find a place where we could have landed. So we stayed in the boat hoping that we (23) the sea, a friendly fisherman would pick us up and take us to the civilization.
We lived (24) fish, any fruit and nuts we could pick up out of the water. As we had no fire, we had to eat everything, (25) the raw fish. I had never tasted raw fish before, and I must say I did not much enjoy the (26) : perhaps sea-fish which do not live in the mud are less tasteless. As for water, there was a choice: we could drink muddy river water, (27) die of thirst. We drank the water. Men who have just escaped what had appeared to be certain death lose all worries about such small things as diseases caused by dirty water. In fact, n
A. got
B. came
C. arrived
D. reached

In January 2009, during the first weeks of a six-month stay at the Children’s Hospital of Philadelphia for leukemia (白血病) treatment, Michael wandered over to his hospital window in search of relaxation. The (36) first-grader watched a construction crew (37) on a 10-storey addition to the hospital. (38) Michael’s third-floor window, Ritchie, an iron-worker from the East Falls section of Philadelphia, (39) and saw "this kid with no hair (40) face was pressed up to the window. I waved, and he smiled and (41) . I’ll never forget that," says Ritchie, a father of three.
As winter (42) spring, Michael watched, fascinated (着迷), as 3,000 tons of steel (43) formed the skeleton of the building. One day he colored a message for the crew and held (44) up to the window: Hi, Local Iron Workers. I’m Mike. Ritchie and the (45) crew messaged back. Over the (46) A. playing
B. studying
C. living
D. working