题目内容

被称为“合成羊毛”的是()

A. 丙纶
B. 氯纶
C. 腈纶
D. 锦纶

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以下属于化学纤维的是()

A. 人造棉
B. 人造丝
C. 人造毛
D. 涤纶

纺纱的主要过程有()

A. 开松
B. 梳理
C. 牵伸
D. 加捻

NEWS REPORT 1Listen to a news report and choose the best answer to each question you hear.[音频]1.

A. Today’s toys are arranged in shops by colors.
B. Good toys are not available.
C. Today’s toys are not as fun as before.
D. Today’s toys reflect gender differences.

2.

All toys are for all children.
B. A T-ball set is an ideal toy for children.
C. Toys shouldn’t be packed in colored boxes.
Dolls are made for girls and trucks for boys.

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