单项选择题The word spas (Para. 1 ) most probably refers to______.
单项选择题Which of the following statements is TRUE according to the news
单项选择题The author mentions Kay’s flying shuttle, Hargreaves’ spinning jenny and Cartwright’s power loom in order to show that______.
单项选择题It is implied in the passage that the primary difficulty in seeking a safe way to dispose of nuclear wastes is caused by______.
单项选择题Nowadays, the athletes’ expenses are paid for______.