英國首相易人(1)

科學(xué)60秒:握個手沒什么大不了

It’s graduation season. And some scientists got to wondering whether the folks who shake hundreds of hands while passing out diplomas ____1___ coming away with a fistful of infectious microbes, ...

科學(xué)60秒:水母長眼睛 捕食沒問題

Box jellyfish have it over the rest of the jellyfish world—they have true eyes, featuring corneas, lenses and retinas. They have a more ___1___ nervous system too. They still don’t have a real ...

政府采取措施應(yīng)對非法捕魚（1）

聯(lián)合國糧農(nóng)組織采取措施應(yīng)對非法捕魚。Hints: pirate Port State Measures to Prevent Deter and Eliminate IllegalSome pirates catch fish instead of ships. The problem is known as illegal, unreported a...