How does Walter get along with his new business().

单项选择题Which of the following is NOT one of the executive departments of Lampell().

A.Human Resources.
B.Finance.
C.Research and Development.
D.Marketing.

单项选择题Which of the following statements is NOT true according to the passage().

A.Ice began to affect the diet of ordinary citizens from the mid-nineteenth century.
B.Making an efficient icebox was not as easy as we might now think.
C.The knowledge of the physics of heat was accurate in the early nineteenth century.
D.One advantage of Thomas Moore’s icebox was keeping his produce cool.