12.Anyone in the lab has to      the following dos and don'ts.( 。
A.observeB.consultC.recognizeD.direct

分析 實(shí)驗(yàn)室的每個(gè)人都要遵循下列的規(guī)則.

解答 答案:A
observe觀察,遵循;consult咨詢;recognize辨別出,direct指導(dǎo).句中dos and don'ts是表示規(guī)則,該做的和不該做的,當(dāng)然是遵循這些規(guī)則.故選A.

點(diǎn)評(píng) 動(dòng)詞短語是一個(gè)比較難的語言點(diǎn),搭配較多,用法靈活.學(xué)習(xí)時(shí),要注意積累.尤其是相似或相近的用法,要注意區(qū)分和掌握.

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