A．little B．less C．more D．much
单项选择题A word is easier to remember and understand if it is （）.
A．included in a word list B．pronounced correctly C．explained in English D．used in a context
单项选择题The best statement of the main idea of this passage is that （）.
A．human brains differ considerably B．the brain a person is born with is important in determining his intelligence C．environment is crucial in determining a person"s intelligence D．persons having identical brains will have roughly the same intelligence
单项选择题The new system will allow the suffix of a Web address to be expressed by （）.
A．any native language B．figures and numbers C．Chinese characters D．symbols and signs
单项选择题（2）处应填写（）
A．spread B．speed C．spur D．sponsor
单项选择题The aim of the author in producing this new dictionary is to （）.
A．correct mistakes in the old dictionary B．make it more helpful for students C．increase the number of words D．add pictures and photos
单项选择题This selection can best he titled （）.
A．Measuring Your Intelligence B．Intelligence and Environment C．The Case of Peter and Mark D．How the Brain Influences Intelligence
单项选择题The approval of the use of 16 languages by ICANN will allow web users to （）
A．change their email address B．email their messages in characters C．have the chance to learn other languages D．use addresses in their own language
单项选择题（1）处应填写（）
A．among B．within C．on D．towards
单项选择题For Web addresses, Chinese speakers now have to use （）.
A．pinyin B．signs C．numbers D．characters
单项选择题His marked personality changes were ______ by a series of unfortunate events.
