2 . Choose proper phrases and use their correct forms to complete the sentences if necessary.

ups and downs, in need, in honour of, take place

1. The decision has been criticised for not giving due attention to those _________.
2. The Nobel Prize was awarded to Tu Youyou _________ her great achievement in medicine.
3. Life has many _________, thus don’t lose heart at any time.
4. Dramatic changes have _________ in Shanghai in the past two decades.