1 . The birdwatching lover even considered bringing a tent to the park to ensure he could track the little________ (生物). （根据汉语提示拼写单词）

2 . In the first half of 2019, Huawei’s ________(利润) grew by 8.7 percent. Therefore, Huawei is confident of maintaining stable development. (根据汉语提示拼写单词)

3 . We will know more about our history by __________cultural understanding.(根据句意填空)

4 . Life is full of ups and downs. If you keep o ________ (乐观的), you will feel happy. （根据中英文提示填空）

5 . O______ of animal testing point out that it’s not a proper way to learn scientific facts and that it is ______ (残忍的) to animals. (根据首字母单词拼写)(根据汉语提示单词拼写)

6 . The artists will c______ blocks of ice into wonderful sculptures and transform the city into a winter wonderland. (根据首字母单词拼写)

7 . The country’s industrial structure is dominated by ______ (化学的) industries and its energy consumption structure depends on coal.(根据汉语提示单词拼写)

8 . As a social_________(心理学家), I know how extremely easy it is for people to excuse themselves for their shortcomings.   (根据汉语提示单词拼写)

9 . In winter, scientists ________ (勇敢地面对) heavy snow and freezing temperatures to supply food to the animals. （根据汉语提示单词拼写）

10 . A ________ (自助餐厅) is a restaurant where you choose and pay for your meal at a counter and carry it to a table. (根据汉语提示单词拼写）