中非友好交往源远流长。译文：The friendly exchanges between China and Africa date back a long time.
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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.
内容
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We _____ out by that time that he ____ a thief for a long time.
- 1
It (be) ____ a long time since we met last time.
- 2
How long was it from the time when China applied to join GATT till the deal between the US and China was signed A: 10 years. B: 13 years. C: 17 years. D: 20 years.
- 3
I’ve been looking forward to ______ (travel) in China for a long time.
- 4
The origin of Chinese writing can be ________ back to ancient China although we are not certain of the date of its invention.