1.2近代中国，中国资产阶级领导的变法与革命失败的根本原因是（）。

3.1.5Commercial application of the research finding will be possible if salad cream can be made resistant to bacterial attack （）.

3.1.4The word" colonies"(Line 2，Para.4) refers to ().

3.1.3According to Brocklehurst，we can keep cream fresh by （）.

3.1.2According to the researchers, cream sours faster than butter because bacteria （）.

1.1The significance of Brocklehurst＇s research is that （）.

1.20They complained that you charged （） prices for your services.

1.19The rescue workers searched every room of the house trying to find any survivors but （）.

1.18His great intelligence will （） him to get a scholarship to college.

1.17If you （）in taking this attitude, we’ll have to ask you to leave.

1.16Take a coat along; it’s （） to be cold down there.