Directions:Listen to the passages and choose the best answer to each of the following questions. The material will be read ONLY ONCE. Passage1.mp3: 1.What does the narrator want to share with us by the passage?
A.
Some stories related to food
B.
Some special recipes
C.
Some cooking methods
D.
The nature of labor
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【单选题】X、Y、Z、W、R均是短周期元素,它们在元素周期表中的相对位置如图所示,其中W的最高正化合价与最低负化合价绝对值相等。下列说法正确的是( ) X Y Z W R