我的母亲说我们将在北逗留两个星期。

问答题当你服药时，必须遵照这些指示。

单项选择题第（6）空应选择（）

A．soldiers
B．mice
C．heroes
D．cowards

单项选择题We can see that the Erie Canal（）.

A．joined the Great Lakes together
B．crossed New York from north to south
C．played an important part in developing New York City
D．was the first waterway built in the US

单项选择题The money which enables these companies to go ahead with their projects is（）.

A．exchanged for part ownership in the Stock Exchange
B．raised by the selling of shares in the companies
C．repaid to its original owners as soon as possible
D．invested in different companies in the Stock Exchange

单项选择题It can be inferred from the passage that the goal of Leopold and Rudolph was to（）.

A．create a botanical garden where only exotic flowers grew
B．do a thorough study of plant structure
C．make a copy of one member of each United States flower family
D．show that glass are more realistic than wax flowers