单项选择题 With precious few investment opportunities, manufacturers are ___ on another round of global diversification.beginningC、 commencingD、 launching

单项选择题 Since ____ of the market is controlled by large companies investing in each other, the message is doubly clear.two-thirdC、 second-threeD、 second-threes

单项选择题 Computers in ____ sectors have seen their shares tumble some 10%since the start of the year.protectedC、 keptD、 keeping