发包人供应的材料未通知承包人验收入库后发生的损坏丢失由( )。
A.承包人负责
B.发包人负责
C.由谁承担视具体情况决定
D.承包人和发包人共同负责
参考答案:B
根据上下文内容在每一条横线上填上一个适当的单词。
(B=Ben D=David)
B: David, 1. _ do you often do on Saturdays?
D: I 2. do my homework and sometimes I help Mum 3. housework.
B: How 4. Sundays?
D: I like 5. . So I often go swimming on Sundays.
B: 6._ your sister Nancy go 7.____ you?
D: No, she 8. _ . She 9. _ shopping. She often 10. shopping with my mother.
B: You have a happy weekend, David.
D: That's right.
不是由于前负荷增加所致心力衰竭的疾病是()
A.肺动脉瓣狭窄
B.甲状腺功能亢进症
C.二尖瓣反流
D.室间隔缺损
E.动静脉瘘