多选题 Although many companies ______ the idea of using solar power, the start-up costs are often too high to ______ the conversion from other technologies.

A、 applaud
B、 reject
C、 understand
D、 ignore
E、 justify
F、 predict

【正确答案】 A、E

【答案解析】[解析] ● Although说明前后反义重复；too...to...取反。
● 两空联动，同义重复。
● applaud赞成，reject拒绝，understand理解；ignore忽略，justify证明……合理，predict预测。答案选AE。