单选题 What has happened in the past half-century?
The population of 15 countries has reduced by more than half.
Many countries have made unprecedented economic progress.
Many countries are still struggling with underdevelopment.
Urbanization has been taking place at a fast pace.
单选题 Which of the four major sectors contributing to carbon emissions accounts for the largest share?
Industrial processes.
Residential and commercial buildings.
Transportation.
Electricity generation.
单选题 How much of the solar radiation can be converted into usable energy?
5%-10%.
10%-15%.
30%-45%.
40%-55%.
单选题 Which of the following is NOT taught in schools?
Written English.
Colloquial English.
Written Arabic.
Colloquial Arabic.
单选题 Which of the following is NOT true about many people who experience mental health problems?
They can get over them or learn to live with them.
They don’t receive the right kind of help.
They are kept away from their families and friends.
They receive unfair treatment from the professionals who should care for them.
单选题 What would happen to some countries if tourism stopped?
Their economies would be ruined.
It would keep their economies going.
There would be no more environmental pollution there.
People have no chance to travel there.
单选题 Compared with literature, communication stresses ______.
the use of good-patterned sentence structures
meaning effect rather than the pattern of a sentence
the flow of sound which contributes to the meaning
the playing of words instead of that of tones
单选题 Approximately how many of us will experience a mental health problem each year?
50%.
25%.
70%.
30%.
单选题 According to the passage, what would happen to healthy cells within 48 hours of exposure to radio waves?
The number of healthy cells will keep declining as more and more of them die.
The number of healthy cells will initially drop before recovering rapidly.
The number of healthy cells will be on steady increase throughout the process.
The scientists have not yet arrived at any conclusion on this issue.
单选题 Which of the following is NOT true about improved communication?
It can train more innovative producers.
It can promote commodity exchange.
It can promote health care.
It can promote the development of education.
关于肝硬化自发性腹膜炎,正确的描述是()
以下哪个不是《网络规划工程师培养与技术提升制度V2.0》定义的GSM规划工程师技术提升角色。()
《银行业金融机构案件问责工作管理暂行办法》规定,存在下列什么情形之一的,属于重大、恶性案件?()
焊工应该定期检查身体,早期防治职业病。
胃痛与痞满发病前皆多有天气变化,恼怒,饮食不节等发作诱因。
来船的罗经方位有明显的变化,也可能存在碰撞危险的情况有()
按国家职能分类,财政支出可分为购买性支出和转移性支出。
氧乙炔逆向焊接时,焊条和焊炬的角度分别是()
按照《建设工程监理规范》规定,《建设工程监理规范》规定哪些情况需要编制监理实施细则?
患者张某,静脉注射25%葡萄糖液,病人诉说疼痛,推注稍有阻力,局部无肿胀,抽无回血,应考虑是( )。