1 . Enjoying ________ total investment of 31.17 billion yuan, the trip between the two cities will only take 40 minutes ________ the train will travel at an average of 250 km/h. (用适当的词填空)

2 . I didn’t go to the party ________ the rain but ________ I didn’t feel well.

A．because of; because	B．because of; because of
C．because; because	D．because; because of