天然纤维中耐碱性强的（）是棉、麻；耐酸性强的纤维是丝、毛。
参考答案：纤维
1. Touch your _______. 2. Touch your _______. 3. Touch your _______.
4. Touch your ________ .5. Touch your ________ .
Unsatisfied ________ with the payment，he took the job just to get some work experience.
A．though was he
B．though he was
C．he was though
D．was he though
