Please complete the summary of Text B. There are five stories in this text, telling us how we should 1. ________people around us. The first story tells us that we should show 2. ________for the people around us.The second story tells us that we should help those in 3. ________, regardless of their 4.________and show 5. ________to those who have helped us.The third story tells us that we should always 6. ________those who have 7.________us. The fourth story tells us that we help ourselves by helping others, and every 8. ________we encounter in our life gives us a 9. ________to make our life better.The last story tells us that we should be 10. ________to help others when it means a lot to us.

7、When we first hit _____ the idea, everyone told us it would never work

The train didn't stop made us stay at school until 7 o'clock in the morning. A: but B: so C: and it D: or

中国大学MOOC: Lewis tells us that he grew up in an environment with very serious racial discrimination in US. (Unit 7 Passage A)

图中所示电路中N为含源线性电阻网络，当US=5V时，U为3V；当US=0V时，U为－2V。问当US=－5V，电压U等于（ ）。[img=333x195]1803e19d826c038.png[/img] A: -3 B: 3 C: -7 D: -5

图所示二端网络的戴维南等效电路的两参数US=V。 A: 12 B: 10 C: 7 D: 3

We thank you for your fax dated July 7 ________ us 500 metric tons of soybeans. A: quoting B: offering C: quoted D: offered

Are there enough books for ____? A: three us B: us three C: all us D: the three us

______ agrees to your plan. A: Anyone of us B: No one of us C: None of us D: Someone of us

Mr. Yang ______. A: teaches math us B: teaches us to math C: teaches math to us D: us teaches math