世界上用K表示黄金的成色，12K表示含金量为50%的合金，24K的纯金含量为（）
以下属于加热破壁机BL12K31的卖点（）
美美在七夕收到男朋友送的金戒指，内面标注是12K金，这说明（）。
In a listening activity，students are asked to note down the time and places of events. The aim of this activity is to develop the skill of____.
Most people were no longer listening to his long（）story.
标准四色印刷，颜色C65M25Y12K39，分色黑的网点面积率为（）。
金饰品中，12K的含义是什么？
发电机定子线圈槽内任何两个上下层线棒出水温差达12K，规程规定应采取哪些措施？
An activity has an early start date-of the lOth and a late start date of the 19th. The activity also has a duration of 4 days. There are no nonworkdays. From the information given, （）what can be concluded about the activity?
How can good listening benefit us？
First, good listening provides you with right language input， listening is the （ ） of language learning.
You can improve your listening skill by listening to English songs.
We often do listening and speaking in English classes.（对画线部分提问）do listening and speaking画线
脉动换流器在交流侧和直流侧分别产生12K±1次和12K次特征谐波。（)
what things does he love ? A listen to. B listening C listen D listening to
Sometimes we listen with no particular purpose in mind, and often without much concentration. This kind of listening is called _______.
There is no doubt that human activity has _____ to do with climate change, and climate will continue to change unless we reduce our carbon emissions. （ ）
Activity 17: No.1
Listening Practice P5-7 Ex7-11
某放大电路在负载开路时的输出电压为4V，接入12kΩ的负载电阻后，输出电压降为3V，这说明放大电路的输出电阻为（）
已知某微机系统的存储器由三个芯片组组成，每个芯片组容量为4K字节，总容量为12K字节。试问：为满足其编址范围，至少需要地址总线中的（）根。
某潜水水源地分布面积为12k，年内地下水位变幅为1m，水层变幅内平均给水度为0.3，该水源地的可变储量为（）
To develop the skill of listening, the teacher asks the students to learn several new words that will appear in the listening passage and predict what the listening is about. Which stage is it at in l
