单项选择题

Question 26 is based on the following news. At the end of the news item, you will be given 5 seconds to answer the question.

A．can keep an object invisible in three dimensions.
B．can hide an object from detection only in one direction.
C．is a true invisibility cloak.
D．is just a minor achievement.

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单项选择题

What happened to the five suspected Somali pirates

A．They were attacked by a US battleship.
B．They were under arrest.
C．They escaped being captured.
D．They were shot dea

单项选择题

Why were the emergency services NOT able to manage the situation

A．There weren’t enough people.
B．The fire was too enormous.
C．The planes didn’t carry enough water-bombs.
D．There was no help from other countries.

Question 26 is based on the following news. At the end of the news item, you will be given 5 seconds to answer the question. 您的浏览器不支持 audio 元素。

Question 26 is based on the following news. At the end of the news item, you will be given 5 seconds to answer the question.