1.48下列关于1926-1927年北伐战争的描述错误的是（）。

3.1.4According to the last paragraph, “the test of time is the hardest of all to pass” suggests that （）.

3.1.3A piece of music can be said to be good if （）.

3.1.2We can see good workmanship in （）.

3.1.1A piece of original music （）.

1.20Before we can pass you fit, you will have to （） a number of medical tests.

1.19Finding a job can be （） and disappointing, and therefore it is important that you are prepared.

1.18Topics for conversation should be （） to the experiences and interests of the students.

1.17To write up his novel, John is looking for an environment free （） outside distraction.

1.16During the （） two decades, research has greatly expanded our knowledge about the sleep and dreams.

1.15We can accept your order （） payment is made in advance.