若加大订货量以获取折扣时,由于单位购入价格降低,年存储成本______
A.降低B.升高C.不变D.不确定
参考答案:B
词语释义,选出与句中划线部分意义最相近的解释,并将其标号填入括号内。
1. Look! There are a lot of women in the park.
A. many
B. much
C. some
D. any
2. I'm sure your mother will be OK.
A. good
B. friendly
C. happy
D. fine
3. Sally sometimes goes to school by taxi.
A. by a taxi
B. takes a taxi
C. buys a taxi
D. drives a taxi
4. I can't swim. I think it's hard to learn.
A. bad
B. easy
C. not easy
D. not interesting
一有固定冷却系统的液化石油气储罐着火,其固定系统冷却水供给强度为多少L/s.m2。()
A、0.1
B、0.12
C、0.15
D、0.2