What is the passage mainly about？
A. Hard economic times in France.
B. People"s Christmas wish.
Changes of people"s attitude towards gift-giving.
D. Eco-friendly products.
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GB/T9695.7-2008规定，肉蛋制品脂肪含量测定中所用的提取剂不应含有()，它的存在会导致脂肪氧化，在反应时可能有爆炸的危险。
A. 过氧化物
B. 碱类
C. 浓酸
D. 水分
What is the news mainly about？
A. Causes of early death in Russia.
Behavior. of alcoholics.
Causes of alcohol poisoning.
D. Number of death over 10 years.
When humidity rises, which of the following statements is CORRECT？
A. The pressure goes up.
B. Good weather is on the way.
C. Old people feel pains in their bones or joints.
D. Young people feel pains in their bones or joints.
According to the passage, "cognitive habits" refers to
A. how we deal with information.
B. functions of human memory.
C. the amount of information.
D. the availability of information.
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