某商品的进价是1530元，按商品标价的9折出售时，利润率是15%，商品的标价是多

Which of the following findings would indicate that the goals for total parenteral nutrition (TPN) are being achieved for the client

A. Serum glucose level of 96.
B. Weight gain of 0.5 pounds/day.
C. Urine negative for glucose.
D. Serum potassium level of 4 mEq/L.

—What rules do you have at home?

—We _________ to go out on school night. [ ]

A. are let              

B. let

C. allow              

D. aren't allowed

特快专递邮件可以进行（）交寄。

A.信筒

B.信箱

C.营业窗口

D.上门揽收

液力变矩器中改变转矩输出的元件为（）。

A.涡轮；

B.泵轮；

C.导轮；

D.锁止离合器压盘