中非友好交往源远流长。译文：The friendly exchanges between China and Africa date back a long time.
举一反三
- ____'s voyage expanded the economic and cultural exchanges between China and many countries in Asia and Africa, and increased the friendship between our people and the people of these countries. A: Wang Shouren B: Zhang Juzheng C: Qi Jiguang D: Zheng He
- 中国大学MOOC: Paper-cutting has a very long history and can date back to the time before paper was invented.
- The art of paper-cutting in China may date back to .
- Before the prom, she had been my date for a long time.
- Which of the following is the definition of CAS latency？（） A: CAS latency is the ratio between the column access time and the clock cycle time. B: CAS latency is the ratio between the row access time and the clock cycle time. C: CAS latency is the ratio between the column access time and the data burst transfer time. D: CAS latency is the ratio between the row access time and the data burst transfer time.