根据图3-381所示梁的弯矩图和剪力图，判断为下列何种外力产生的？【2009-11，2011-14】 
A:
B:
C:
D:
8.200ml0.2molL-1NaOH的溶液和100ml0.5molL-1的NaOH溶液混和，所得NaOH溶液的物质的量是（）。
A:0.35molL-1 B:0.3molL-1 C:0.15molL-1 D:0.2molL-1
200mlNa2SO4溶液正好与250ml2molL-1Ba（NO3）3溶液反应，则Na2SO4溶液的物质的量浓度为（）。
A:2molL-1 B:1.25molL-1 C:1molL-1 D:2.5molL-1
关于理想正常
下列说法正确的是（）。
A:保存全副牙齿 B:牙齿在上下牙弓上排列得很整齐 C:上下牙的尖窝关系完全正确 D:上下牙弓的关系非常理想 E:对于生理过程无大妨碍者，都可以列入理想正常范畴
We’ve Moved ! Please come to the party in our new house. 8:00pm. on November 5 Betty and Jack Add: 31 Station Street Tel: 342-1525 E-mail: betty12@email. net | Must Sell $ 275 Best washing machine Only 6 months old Owner going abroad Call Mike Green Add: 10 Park Street Tel: 342-2691 E-mail: mikegreen@ hotmail.com | Smith’s Book Club New and old books Over 1,000 kinds Good coffee and tea Open every day 10:00 to 22:00 Add: 15 North Street Tel: 342-7391 or 342-7350 E-mail: smithl5@yahoo.com |
If you want to go to Betty and Jack’s party, you can call ______.
A:342-1525 B:342-7391 C:342-2691 D:342-7350
232，342，452，( )
A:562 B:662 C:572 D:672
We’ve Moved ! Please come to the party in our new house. 8:00pm. on November 5 Betty and Jack Add: 31 Station Street Tel: 342-1525 E-mail: betty12@email. net | Must Sell $ 275 Best washing machine Only 6 months old Owner going abroad Call Mike Green Add: 10 Park Street Tel: 342-2691 E-mail: mikegreen@ hotmail.com | Smith’s Book Club New and old books Over 1,000 kinds Good coffee and tea Open every day 10:00 to 22:00 Add: 15 North Street Tel: 342-7391 or 342-7350 E-mail: smithl5@yahoo.com |
If you want to go to Betty and Jack’s party, you can call ______.
A:342-1525 B:342-7391 C:342-2691 D:342-7350
We’ve Moved ! Please come to the party in our new house. 8:00pm. on November 5 Betty and Jack Add: 31 Station Street Tel: 342-1525 E-mail: betty12@email. net | Must Sell $ 275 Best washing machine Only 6 months old Owner going abroad Call Mike Green Add: 10 Park Street Tel: 342-2691 E-mail: mikegreen@ hotmail.com | Smith’s Book Club New and old books Over 1,000 kinds Good coffee and tea Open every day 10:00 to 22:00 Add: 15 North Street Tel: 342-7391 or 342-7350 E-mail: smithl5@yahoo.com |
If you want to go to Betty and Jack’s party, you can call ______.
A:342-1525 B:342-7391 C:342-2691 D:342-7350
单项选择
