Ⅰ.单词集训
A．词形转换
1．If someone is protective (protection) towards you, they look after you and show a strong desire to keep you safe.
2．Even though I told them that the vegetables were harmless (harm), his wife still insisted on throwing them all out.
3．Some people may have doubts about investment at this moment, as the global economic situation remains uncertain (certain)．
4．As they carefully got close to the scene, they found the hunter (hunt) on the ground, crying in pain.
5．One thing that I didn't understand clearly when I was a child was the relationship between time and distance (distant)．
6．After travelling through the dusty (dust) villages and towns of Yemen, they arrived at the port of Aden.
7．I'm sure that you remember well the few times when people have truly shown their appreciation (appreciate) when you give them help.
8．We have done research of our market and I think we would broaden the market successfully (successful)．
9．In China, the biggest threat (threaten) to food safety may come from makers that have completely no name at all.
10．Saying “I love you” often can express your affection (affect) and thanks to your close friends and family.
