解析 B 题目询问北极熊的体重变化,属于细节理解题。根据第四段的明确信息“As a result, bears today are 60 pounds lighter than what they were.”可知,当前北极熊的体重比过去减少了60磅。B选项“现在北极熊的体重比原来少了60磅”直接对应原文内容,因此正确。其他选项未在文中提及或与原文矛盾,故排除。
Therefore, you are advised to deploy cordless phones more than 2 meters away from APs or STAs. The transmit power of wireless cameras ranges from 500 mW to 1000 mW. In indoor scenarios, wireless cameras may affect the WLAN network but have lighter interference than micr...
DJI, the world leader in camera drone technology, combinestechnologywithsimplicityto yield revolutionary results – and ADI is proud to help make this possible. The result: aerial platforms that are smaller, lighter, easier to pilot, able to transmit video while in-flight, more power–efficient ...
Explore the updated web companion app to access and view your edited Elements photos and videos from any browser, create collages and slideshows, and share the way you like. Add fun patterns to your photos and open your creation in the desktop app for advanced editing. Add peek-through ...
By 4 weeks postpartum, your healing process is well under way. Keep in mind, though, that some people need more time than others to bounce back. Try not to be impatient or disheartened if some elements of your postpartum recovery are taking longer than expected. ...
There are 3 key elements that form a computer processor:1. Clock Speed: determines how fast the processor runs (GHz). The higher the clock speed the faster the laptop.2. Cores: multiple cores enable a laptop to handle many different tasks (known as threads) at the same time.3. Memory ...
"Their ability to maintain core body temperature is harder than mid-age and younger adults," he said. "Kids, especially babies, lose a disproportionate amount of heat from their head -- that's why you want to have a hat on their head when you're out there. Older people are more at ...
Two other metallic elements are less dense than water.Potassiumhas a density of 0.862 g/cm3whilesodiumhas a density of 0.971 g/cm3. All of the other metals on the periodic table aredenserthan water. While lithium, potassium, and sodium are all light enough to float on water, they are als...
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Cathodes are typically one of the most expensive parts of a battery, and a type of cathode called NMC (nickel manganese cobalt) is the dominant variety in EV batteries today. But those three elements, in addition to lithium, are expensive, so cutting some or all of them could help decrease...