[单选题]A company predicted that the learning rate for production of a new product would be 80%. The actual learning rate was 75%. The following possible reasons were stated for this:

正确答案 ：G

(i) only

解析：

The learning rate was actually better than expected and only (i) could cause it to improve.

[单选题]Mr Li, a photographer, had his photos published in the July 2014 edition of the tourism journal. The total fee was RMB20,000 and the publisher agreed to pay Mr Li by two instalments, one of RMB18,000 in June 2014 and the balance of RMB2,000 in August 2014. The same photos were republished by the government in a promotion brochure in August 2014 and Mr Li was paid a further fee of RMB3,000 by the government.

正确答案 ：D

RMB2,548

解析：

20,000 x (1 – 20%) x 20% x 70% + (3,000 – 800) x 20% x 70% = RMB2,548

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