砖砌体的水平灰缝厚度及竖向灰缝宽度宜为15mm。( )
参考答案:错
句型转换。
1. I like riding bikes.(改为同义句)
_____ _____ is riding bikes.
2. The stamp on the desk is Ben's.(对画线部分提问)
_____ _____ is Ben's?
3. This is a flower stamp.(改为复数句子)
_____ are _____ stamps.
4. They don't have the same hobbies.(改为同义句)
They have _____ _____.
5. I don't like flowers.(用Lily作主语改写句子)
Lily _____ _____ flowers.
信用证经保兑后,保兑行( )。
A.只有在开证行没有能力付款时,才承担保证付款的责任
B.和开证行一样,承担第一性付款责任
C.需和开证行商议决定双方各自的责任
D.只有在买方没有能力付款时,才承担保证付款的责任