Which of the following does not belong to natural fabric.( )
A: Synthetic fiber
B: Pure cotton
C: Pure hemp
D: Cashmere
A: Synthetic fiber
B: Pure cotton
C: Pure hemp
D: Cashmere
举一反三
- It is said that synthetic fiber (合成纤维) is not as good as natural fiber. Natural fiber is said to be __________ synthetic fiber. (superior)
- Which of the following glands belong to pure serous glands? A: Submandibular glands B: Parotid glands C: Sublingual glands D: Adrenal glands
- 中国大学MOOC: Which of the following four scenic spots does NOT belong to the natural landscape?
- Which of the following plants does not have pure white flowers? A: Michelia maudiae B: Magnolia grandiflora C: Yulania denudata D: Yulania × soulangeana
- 中国大学MOOC: A pure culture can be obtained by which of the following techniques?