—China's first large passenger plane C919 flew successfully on May 5.

—Yes. What's more, it was built on our own in Shanghai.

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                                                                                                                孤桐
                                                                                                               王安石
                                                                                 天质自森森，孤高几百寻。凌霄不屈己，得地本虚心。
                                                                                 岁老根弥壮，阳骄叶更阴。明时^①思解愠，愿斫五弦琴^②。
     【注】①明时，政治清明的时代；愠，疾苦、怨愤。②桐木是造琴的上好材料。据《孔子家语》记载：帝舜曾一面弹着五弦琴，一面唱“南风之熏兮，可以懈吾民之愠兮”。