皮皮学，免费搜题
登录
搜题
【单选题】
属于中空性器官的是: ( ) 。A.
肝胆
B.
肾、输尿管
C.
消化道
D.
消化腺
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】听力原文： The WHO has confirmed that at least three people have died of bird flu in Vietnam, the same virus that first emerged in Hong Kong in 1997 and killed six people. Hundreds of thousands of chickens...
A.
At least three.
B.
Six.
C.
Thirteen.
D.
Fifteen.
【简答题】构件是 单元;零件是 单元。
【简答题】构件是 单元,零件是 单元。
【简答题】南极大地的水陆交界处，全是滑溜溜的冰层或者尖锐的冰棱。企鹅没有可以用来攀爬的前肢，也没有可以飞翔的翅膀，如何从水中上岸？企鹅是在将要上岸之时，先从海面潜入海中，沉潜到适当的深度，再借用水的浮力，迅猛向上，飞出一道弧线，落在陆地上。
企鹅的沉潜是为了蓄势，看似笨拙，却富有成效。人生又何尝不是如此？沉潜绝非沉沦，而是勇敢、智慧、自强。如果我们在困难面前能沉下气来，不被“冰棱”吓倒，不被浮华迷惑，专心...
【单选题】听力原文： Vietnam's prime minister has announced his plans to visit the United States next month. He'll be the first Vietnamese leader to travel to the US since the end of the Vietnam War. Prime Minister ...
A.
In June.
B.
Last month.
C.
Next month.
D.
On his official trip to Australia.
【简答题】A．Television has been very effective in spreading news. B．Vietnam War was the first live broadcast of TV. C．Television can even change the way a government acts. D．Television did more to end the Vietn...
【简答题】构件和零件不同,构件是 单元,而零件是 单元。
【单选题】Where has the highest rates of newborn deaths in the world?
A.
South Asia.
B.
Vietnam.
C.
Africa.
D.
South America.
【简答题】零件是 单元,构件是 单元。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
