抗震设计时,框支柱及抗震等级为一级的框架梁、柱、节点核芯区,混凝土强度等级不应低于()
A.C20
B.C25
C.30
D.C40
参考答案:C
阅读理解。
I have seven baskets. Three are big. Four are small. I have some pears and some oranges. I put two
pears in each small basket, and I put two oranges in each big basket and one orange in each small basket.
The number of the oranges is my age.
1. I have _______ pears.
A. three
B. five
C. seven
D. eight
2. I have _______ oranges.
A. six
B. eight
C. ten
D. eleven
3. What are those in the four small baskets?
A. Nine pears.
B. Nine oranges.
C. Three pears and nine oranges.
D. Eight pears and four oranges.
4. Where are the pears?
A. Three big baskets.
B. Four small baskets.
C. A big basket.
D. A small basket.
5. Do you know how old I am? I'm _______.
A. twelve
B. ten
C. eleven
D. nine
国家权力机关的监督权属于国家监督权,具有极大的权威性。( )