📖 閱讀測驗 · 共用前文
Ordinary toilet paper is not a problem for __(26)__. It disintegrates rapidly,
after being __(27)__, into the fibers from which it is made. Wet-wipes are different.
To keep them __(28)__ while damp, before and __(29)__ use, their fibers are held
together by resins. But these resins also hold them together after use,__(30)__ they
do not disintegrate.
第28格應填入:
Atact
Btacking
Ctacks
Dintact正確答案
答案與詳解
