[单项选择]It is now almost two years since the European Union decided to go ahead with plans to launch a satellite-navigation network to rival America’s existing Global Positioning System (GPS). For much of this time, Galileo, the European system, met with strong opposition from America. However, a round of talks last November seems to have ease American concerns. The final details remained to be negotiated in talks, but the outlook for an agreement was good.
The core of the disagreement between the EU and America was whether the signals from the two competing systems might interfere with one another. More specifically, the Americans wanted the ability to jam Galileo without rendering GPS signals ineffective. The agreement reached in November was the first step in this direction. In return for the modification of Galileo’s signals, the Americans agreed to give Europe technical assistance in developing Galileo, and to make sure that the third generation of GPS, to be carried out in 2012, w
A. US already has 3 satellite channels in use: C/A, Y-channel and M-code.
B. Galileo will have 5 more different channels.
C. The American C/A is different from the EU’s PRS in function.
D. The American GPS has more commercial usage than Galileo.

[单项选择]It is now almost two years since the European Union decided to go ahead with plans to launch a satellite-navigation network to rival America’s existing Global Positioning System (GPS). For much of this time, Galileo, the European system, met with strong opposition from America. However, a round of talks last November seems to have ease American concerns. The final details remained to be negotiated in talks, but the outlook for an agreement was good.
The core of the disagreement between the EU and America was whether the signals from the two competing systems might interfere with one another. More specifically, the Americans wanted the ability to jam Galileo without rendering GPS signals ineffective. The agreement reached in November was the first step in this direction. In return for the modification of Galileo’s signals, the Americans agreed to give Europe technical assistance in developing Galileo, and to make sure that the third generation of GPS, to be carried out in 2012, w
A. EU and US are always having disagreements on almost everything.
B. US becomes an enemy of EU because of their satellite network.
C. The talks between EU and US have resulted in complete agreement.
D. Even though disagreement still exists, agreement can be expected.

[单项选择]Nearly two thousand years have passed since a
census decreed by Caesar Augustus became part
of the greatest story every told. Many things have
Line changed in the intervening years. The hotel indus-
(5) try worries more about overbuilding than over-
crowding, and if they had to meet an unexpected
influx, few inns would have a manger to accom-
modate the weary guests. Now it is the census
taker that does the traveling in the fond hope that
(10) a highly mobile population will stay put long
enough to get a good sampling. Methods of gath-
ering, recording, and evaluating information have
presumably been improved a great deal. And
where then it was the modest purpose of Rome to
(15) obtain a simple head count as an adequate basis
for levying taxes, now batteries of complicated
statistical series furnished by governmental agen-

A. mobility
B. wealth
C. population
D. census takers
E. (E) economic predictions