Why is a long piece of string tied tightly round the neck of each bird？
A. Because it can prevent the birds from fighting against each other.
Because it can help the fishermen hold the birds tightly.
C. Because it can stop the birds from flying away from the ship.
D. Because it can keep the birds from eating the caught fish.
查看答案
该病人行手术治疗的主要原因是
A. 长期患胃溃疡
B. 合并胃溃疡穿孔
C. 合并溃疡大出血
D. 合并瘢痕性幽门梗阻
E. 胃溃疡疑有恶变
What do the fishermen do to encourage the birds？
A. They use a long string to beat the birds.
B. They give the birds some fish to encourage the birds.
C. They beat the sides of the boat to stimulate the birds.
D. They grasp several birds in one hand.
In which season of the year do the fishing boats set out？
A. In spring.
B. In summer.
C. In autumn.
D. In winter.
该病人发生了
A. 胃溃疡穿孔
B. 胃溃疡复发
C. 肠梗阻
D. 合并十二指肠溃疡
E. 瘢痕性幽门梗阻
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