Read the following tongue twisters. Good cookies could be cooked by a good cook; if a good cook could cook good cookies.
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You will hear one word read from each group. Circle the correct one after listening and then read all the words correctly.
A. but
B. bought
C. Bob
You will hear one word read from each group. Circle the correct one after listening and then read all the words correctly.
A. pick
B. pig
C. lip
国家发展和改革委员会、财政部日前决定大幅度降低动物及动物产品检疫收费标准,规范收费行为,降低农副产品流通环节成本。降低农副产品流通环节成本对企业的意义是:
A. 有利于降低成本,平抑物价,抑制通货膨胀
B. 有利于提升核心竞争力,形成自己的竞争优势
C. 有利于减轻企业负担,调动企业生产的积极性
D. 有利于增加有效供给,满足人民群众生活需要
______是计算机的神经中枢,它用以控制和协调计算机各部件自动连续的执行各条命令。
A. 计算器
B. 控制器
C. 存储器
D. 移动硬盘