用所给词的正确形式填空。

1. The little boy fell off the tree and _____ (hurt) himself seriously.

2. She died after a long _____ (ill).

3. Doing eye exercises _____ ( be) good for your eyes.

4. Reading _____ (make)me happy.

5.There are many _____ (different)between the countryside and the big city.

青年甲在筹备结婚过程中，连续多日劳累，患化脓性扁桃腺炎。医生在为其诊察中同时发现患有淋病。患者住院四天，扁桃腺炎痊愈出院，医生嘱其充分休息。按照母婴保健法，甲

A．不能结婚

B．应当暂缓结婚

C．可以结婚，但不能生育

D．可以结婚，治愈后可生育

E．不影响结婚生育