The major problem is the need for large quantities of water and ______ to grow the crops. A: fossils B: fertilizers C: frontiers D: fosters

Scientists found in some mountains the remains of an animal about the size of a ____________, which proved the (_____________) _____________ between Antarctica and the Gondwanaland continents. Since then, other fossils of _____________ and ____________ have also been found.

The (detailed study) of fossils, rather like a crime investigation, (it involves) (the piecing) together (of many diverse) fragments of evidence. A: detailed study B: it involves C: the piecing D: of many diverse

Yijun Terrace has natural terrain characteristics, its known as the( )? A: "Living fossils" on the Loess Plateau B: Historical memory of the Loess Plateau C: A representative work of farming civilization D: The artistic pinnacle of farming civilization

All of the following specific purpose statements are effective EXCEPT __________. A: to inform my audience about recent discoveries of dinosaur fossils B: to inform my audience that yoga is extremely cool C: to inform my audience about the scientific uses of hot-air balloons

植物界的世界三大活化石在中国都有分布，它们是______。The world's three living fossils in the plant kingdom are distributed in China, they are( ). A: 银杏Ginkgo B: 银杉Silver fir C: 水杉Metasequoia D: 牡丹Peony

9. All of the following specific purpose statements are effective EXCEPT __________. A: to inform my audience about recent discoveries of dinosaur fossils B: to inform my audience that yoga is extremely cool C: to persuade my audience that harsher penalties are needed to prevent the practices of fraudulent land developers D: to inform my audience about the scientific uses of hot-air balloons