The （）innovation engaged in by Apple during the early 2000’s was unprecedented and this opened cascading doors of creativity for the industry.

单项选择题My friend pitched his （）to a group of potential investors at a small conference he set up, trying to win them over in his efforts to operate a chain of convenience stores.

A.executive succession plan
B.excess plan
C.emergency
D.executive summary

单项选择题After the （）of the cost analysis assessment documents to the client, they were hesitant to agree to the transaction, as it would be a considerably large investment.

A.presentation
B.prospect
C.permanent
D.perspective

单项选择题The travel agency encouraged the couple not to travel to Greece，as the government situation in that country was （）and unpredictable from one day to the next.

A.valid
B.volatile
C.voluntary
D.invalid

单项选择题which of the following was not a protestant denomination?A. The Catholics.B. The Methodists.C. The Presbyterians.D. The Baptists.

单项选择题which of the following is not a native australian animal?A. Sheep.B. Kangaroo.C. Wombat.D. Koala.