1 . China’s space programme started later than those of Russia and the US, but it has________ in a short time.（根据句意填空）

2 . It is indeed an honour for ________ and Chinese medicine to be spread around the world. （根据句意填空）

3 . Then Shenzhou 6 and 7 completed ________ and the first Chinese spacewalk, followed by the vehicle Jade Rabbit being sent to the moon to study its surface. (根据句意填空)