背1遍就想上考场四级单词12

[00:01]sacrifice [00:05]Historical changes would not happen without heroes [00:09]making the necessary sacrifices. [00:15]certificate [00:21]I am back in school taking courses for a teacher's [00:25]certificate. [00:29]efficiency [00:32]In order to raise the efficiency of the water supply, [00:37]measures should be taken to increase the sense of [00:40]responsibility of agencies. [00:46]superficial [00:50]We will get back to more controls, the golden rules, [00:54]more supervision, getting rid of superficial things. [01:02]artificial [01:06]The new models of artificial hearts are expected [01:10]to be equipped with an external power source. [01:21]manufacture [01:25]Back in 1984 we discovered that most manufactured [01:32]products for decoration weren't designed for indoor use. [01:42]feasible [01:48]We have to analyze the situation to see [01:52]if it is feasible,it is recommendable, [01:55]it is realistic or not. [04:01]Cupboard [04:03]A: Where do I place these dishes? [04:06]B: Place them into the cupboard.

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