SAN浆液过滤器是串联操作。
参考答案:错
Do you prefer _______?
A.skate
B.skates
C.skating
D.skated
Questions 11 to 15 are based on the following interview.
A. Saris are not practical. B. Saris are old-fashioned. C. Saris are not cheap. D. Saris are hot and difficult to walk in.