But balloons and the cigar-shaped airship, which was invented slightly later, did not solv

The little girl watched the balloons as they ______ into the sky．

小女孩看着气球向天空中飘去。

A.likes

B.re

C.like

Balloons float in the air_________ boats do on the sea.

A． just as

B． when

C． that

D． where

A．A dozen roses, two dozen balloons and a romantic dinner.

B．A dozen roses, a beautiful card and a romantic dinner.

C．Two dozen roses, a dozen balloons and a romantic dinner.

D．Two dozen roses, a beautiful card and a romantic dinner.

A.put on

B.added to

C.put for

D.added

A.I have 14

B.I have 14 balloons

C.I'm 14

D.I'm 14 balloons

A.How balloon you have

B.How many balloons do you have

C.How many balloons do you see

D.How many balloons you have

The common use of unpiloted balloons is

A．for military purposes.

B．for pleasure.

C．for scientific research.

D．for sports.