word “tough” mean?3. What does the underlined word “tough” mean?A. Risky.     B. Busy... in the passage?5. Which part is not included in the passage?A. The organization of the Antarctic scientific ……

第21次南极科考为新站选址 CHINA is going to begin its 21st Antarctic study on October 25. A group of 12 scientists will stay in the Antarctic for 150 days. They will go to the highest point ……

NEW YORK: Fringes of the Antarctic ice sheet are melting faster than expected and that floating ice shelves making up the Antarctic land mass are losing up to 40 metres in depth a year. ……

tough ones may manage to survive and pass on these traits to future generations of bacteria... boils down to confusion about viruses and bacteria – the two kinds of *microorganisms that cause ……

to surfaces. By mixing sticky bacteria with an enzyme (酶), the scientists broke down tough plastics... safer by stopping harmful bacteria from growing.Scientists at Rice University in the US have come ……

There are about a billion (十亿) bacteria (细菌) in your mouth right now.There are about a billion (十亿) bacteria (细菌) in your mouth right now.   ……

of on Earth, in the Antarctic, we have bacteria,” Pettinelli told National Geographic. “They can be deep ……

在地球的尽头，可爱的企鹅是他的模特。 Qin Weijia is taking a picture of a penguin inthe Antarctic(南极). Is the penguin... to the Antarctic. ……

TEENS对话海洋生物学家TEENS对话海洋生物学家A marine scientist tells  about his research in Antarctic waters.  PAGE 6A marine scientist tells  about his research in Antarctic waters.  PAGE 6 ……

December 31, 1984: China’s first scientific research station, the Antarctic Great Wall Station, began to be built. It was completed on February 20, 1985. ……

December 31, 1984: China’s first scientific research station, the Antarctic Great Wall Station, began to be built. It was completed on February 20, 1985. ……

place from the sea.B. It's the highest place in Antarctic.C. Scientists are going to build a new.... Scientists usually go to Antarctica in the winter.____ 5. Antarctic's summer is very warm.____ 6 ……

对人体友好的益生菌。Did you know that there are some bacteria in our bodies that help us? They are called probiotics (益生菌). These bacteria help us stay healthy.Lactic acid bacteria 乳酸菌There are many lactic ……

on the trip from the Antarctic coast to the Pole.In achieving his goal, Lewis broke the record... the English Channel.According to the BBC, Lewis had been planning the Antarctic expedition for three years ……

信不信由你
When you drink a mouthful of seawater, you eat 1,000 kinds ofbacteria.生词大本营 bacteria 细菌   生词大本营生词大本营生词大本营bacteria 细菌   bacteria 细菌bacteria 细菌     ……