考博考试

【单选题】Which question is NOT answered in the article
A．How many plant species found outside tropical rain forests could be used in the treatment of cancer
B．Which plant has a product used for the treatment of anxiety
C．Worldwide, what is the total annual production of synthetic rubber
D．Which rain forest plant can be used for the treatment of eye disease
网考网参考答案：C
网考网解析：
A、B、D都可以在文章中找到答案，所以选C。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>