1 . Processed foods often contain less nutrition, and have ___________ sugar, salt, and fat than fresh ingredients. (根据句意填空)

2 . They went up the CN Tower and looked across the shores of Lake Ontario. Standing in the distance, they were astonished to see ____________ the great Niagara Falls, which is on the south side of the lake. (根据句意填空)

3 . Cover the burnt area with a loose clean cloth. ____________ the injured areas is a bad idea, as it will keep the heat in the wounds and may cause infection…If the victim is suffering from second or third-degree burns, there ____________ to take him/her to the hospital at once. (根据句意填空)

4 . Born during the Ming Dynasty, Tang sought and failed to ____________ the civil service, so he turned to painting instead. (根据句意填空)

5 . American-style Chinese dishes, General Tso’s chicken in p____________, were popular with Americans for its sweet and sour flavor. (根据首字母单词拼写)

7 . We as individuals can also reduce our “carbon footprint” by _______________ carbon dioxide our lifestyles produce. (根据句意填空)

8 . The collection and transport of household waste was also improved. ________________ were closed or moved. (根据课文填空)

9 . The teacher called on students to answer questions at r_________________, so everyone had to be prepared. (根据首字母单词拼写)

10 . When the train arrived at the station, they took a taxi to Lake Louise, where the blue water truly took their breath ________ with its exceptional beauty. (用适当的词填空)