Ⅰ.单项填空
1．Robert is interested in ________ astronomy and he wishes he could make a trip into ________ space one day.
A．the; the B．an; the
C．an; / D．/; /
2．After we finish the designing，the company，________ its turn，should do the constructing work.
A．in B．on
C．at D．for
3．All people，________they are old or young，rich or poor，have been trying their best to help those in need since the disaster.
A．even if B．whether
C．no matter D．however
4．If they win the final tonight, the team are going to tour around the city ________ by their enthusiastic supporters.
A．being cheered B．be cheered
C．to be cheered D．were cheered
5．China recently tightened its waters controls near the Huangyan Island to prevent Chinese fishing boats from ________ in the South China Sea.
A．attacking B．having attacked
