向含有HCl和FeCl3的混合溶液中,逐滴加入NaOH溶液至过量.下列图象正确的

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问题:

向含有HCl和FeCl3的混合溶液中,逐滴加入NaOH溶液至过量.下列图象正确的是(  )

A.

B.

C.

D.

考点:碱的性质
题型:选择题

有抗震要求的带肋钢筋,其最大力下总伸长率不应小于()%。

A、7 

B、8 

C、9 

D、10

题型:选择题

D

China may send naval ships to the seas off Somalia to help the fight against piracy(海盗行为) there, Chinese media on Wednesday quoted a Vice Foreign Minister as saying at the United Nations, Reuters reported.

"China is seriously considering sending naval ships to the Gulf of Aden and waters off the Somali coast for escorting operations in the near future," the Xinhua news agency quoted He Yafei as saying. He Yafei, speaking at a Security Council ministerial meeting, said that China welcomed global cooperation in the fight against Somali piracy, and supported efforts by other countries to send ships to the region, Xinhua reported.

Earlier this month a leading Chinese military strategist, Major-General Jin Yinan, urged the government to send ships, in comments generating debate about combating piracy in a country which has generally confined its navy to waters near home. Jin told a Chinese radio interviewer that "nobody should be shocked" if his government one day decided to send navy ships to deal with the pirates, whose recent victims have included ships from Chinese mainland and Hong Kong. Jin is the head of a strategy institute at China's National Defense University.

While the military strategist is urging an active part, other scholars think the government should be cautious before a decision is made. The Chinese military ships should go there "only within the UN framework," said Pang Zhongying, a professor of international relations with Renmin University of China. Pang added that he also had some concerns over the Chinese navy's capability. "I don't think the Chinese navy has the capability to fight against unconventional threats far in the ocean," he said, adding supplying and refueling in the Indian Ocean are key challenges.

A sharp increase in attacks at sea this year in the busy Gulf of Aden and Indian Ocean off Somalia has pushed up insurance costs, brought the Somali pirates tens of millions of dollars in ransom(赎金) and prompted foreign warships to the area. Among the captured ships are a Saudi supertanker loaded with $100 million of crude oil, the Sirius Star, and a Ukrainian cargo ship carrying some 30 Soviet-era tanks. The victims have also included a Hong Kong-flagged ship with 25 crew aboard and a Chinese mainland fishing boat reported seized off Kenya. NATO ships began anti-piracy operations off the Somali coast in late October, but they have failed to stop the attacks.

56. This year, many ships from different countries have been captured by the Somali pirates except _______.

A. a Saudi supertanker   B. a Ukrainian cargo     C.NATO ships      D. the Sirius Star

57. The underlined word "confined" in the third paragraph most probably means ________.

A. involved            B. restricted           C. confirmed        D. contract

58. From the passage, we learn that _______.

A. China has sent its navy to fight the Somalia pirates

B. some countries have launched their anti-piracy operations

C. the Somalia pirates often attacked foreign warships for ransom

D. The Chinese navy hasn’t the capability to travel far to combat pirates

59. When the Major-General Jin Yinan said "nobody should be shocked", he actually indicated that ________.

A. the Chinese people should keep calm about the government's decision

B. no one should be frightened by the pirates' attack as the Chinese navy will defend them

C. it is reasonable for China to send its navy to fight against the Somalia pirates

D. if China had dealt with the pirates earlier, nobody would have been shocked

60. Professor Pang Zhongying’s main concern about the Chinese naval ships is that _______.

A. adding supplying and refueling far in the ocean is really a challenge

B. the Chinese navy has never fought against such unconventional threats

C. the fighting against pirates is not within the UN framework

D. the attacks in the Gulf of Aden and Indian Ocean off Somalia has increased sharply

题型:选择题

用止血带止血时,不正确的方法是()

A.止血带不可过细或过窄

B.记录扎止血带的时间

C.止血带松紧以远端动脉搏动微弱为宜

D.上止血带部位衬软垫

E.上肢出血应在上臂上l/3处扎止血带

题型:选择题

什么是钢筋的“人工时效”?

题型:选择题

信息序号和时间的认证主要是为了 (52)

A.明确信息的来源
B.阻止信息的重放攻击
C.鉴别信息发送者的身份
D.确认信息的内容

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