1.The Space Age ______ in October 1957 when the first artificial satellite was launched by the

Soviet Union.

A) initiated B) originated C) embarked D) commenced

2.John said that he didn't quite _______ and asked me to repeat what I had said.

A) snatch up B) summon up C) catch on D) watch out

3.When he tried to make a ______ , he found that the hotel that he wanted was completely

filled because of a convention.

A) complaint B) claim C) reservation D) decision

4.A budget of five dollars a day is totally _______ for a trip round Europe.

A) inadequate B) incapable C) incompatible D) invalid

1、D 2、C 3、C 4、A