______ are those that cannot be used independently but have to be combined with other morp

hemes, either free or bound, to form. a word.

A．Free morphemes

B．Bound morphemes

C．Bound words

D．Words

答案

B
粘着语素(boundmorpheme)具有一定意义、但不能独立使用、必须粘附在其他形式的语素上。

发布时间：2023-01-17

更多“______ are those that cannot be used independently but have to be combined with other morp”相关的问题

第1题

回答下列各题 Its difficult to estimate the number of youngsters involved in home schoolin

g, where children are notsent to school and receive their formal education from one or both parents.26__________and court decisionshave made it legally possible in most states for parents to educate their children at home, and each yearmore people take advantage of that opportunity. Some states require parents or a home tutor to meetteacher certification standards, and many require parents to complete legal forms to verify that their children are receiving 27__________in state-approved curricula. Supporters of home education claim that its less expensive and far more 28__________ than mass publiceducation. Moreover, they cite several advantages: alleviation of school overcrowding, strengthenedfaintly relationships, lower 29_________ rates, the fact that students are allowed to learn at their own rate,increased 30 _________, higher standardized test scores, and reduced 31_________ problems. Critics of the home schooling movement 32_________ that it creates as many problem as it solves. Theyacknowledge tha|, in a few cases, home schooling offers educational opportunities superior to those foundin most public schools, but few parents can provide such educational advantages. Some parents whowithdraw their children from the schools 33_________ home schooling have an inadequate educationalbackground and insufficient formal training to provide a satisfactory education for their children.Typically, parents have fewer technological resources 34_________than do schools. However, the relativelyinexpensive computer techoology that is readily available today is causing some to challenge the notionthat home schooling is in any way 35_________ more highly structured classroom education. 第(26)题__________

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第2题

Many people imagine that Alzheimer's disease （早老性痴呆病), the degenerative disorder tha

Many people imagine that Alzheimer's disease (早老性痴呆病), the degenerative disorder that ultimately leaves sufferers with total memory loss, is an inevitable result of aging. This is not so. 【C1】______ the risks of contracting the disease increase with age, there are many elderly people【C2】______ memories are perfect. Most of us are so ill-【C3】______ about all forms of memory loss that we label everything as "Alzheimer's'. Alzheimer's disease itself can【C4】______ people as young as 30 and can progress either quickly or slowly. It can also【C5】______ the blame for other non-degenerative conditions such as deep depression.【C6】______ , only an examination of the brain tissue during an autopsy (解剖) can produce an accurate【C7】______ of the disease.

The causes of Alzheimer's are unknown. They may be either【C8】______ or environmental. A study in 1996 of 13,000 people whose parents or siblings had the disease showed they had five times【C9】______ chance of succumbing 【C10】______ the age of 80 than those with no family【C11】______ of the problem.

There are other factors, however. In a study of identical twins, it was found that only about half of the twin pairs developed Alzheimer's and, when both twins【C12】______ . it, they did so as【C13】______ as 15 years apart. The possibility【C14】______ environment plays a part was【C15】______ by another 1996 study, this time of two groups of elderly Japanese men. One group lived in Hawaii, the other in Japan. The Hawaiian group had a much higher【C16】______ of the disease.

Aluminum has been blamed for the development of Alzheimer's. This is because a high level of aluminum has been found in the brains of sufferers. The disease was first diagnosed at the beginning of the 20th century. It was at this time【C17】______ aluminum was becoming widely available for use in cooking pots.

Memory loss, difficulty in【C18】______ familiar tasks, and problems with abstract thinking are all【C19】______ of the onset of the disease. One unusual feature is its impact on language. It attacks nouns first,【C20】______ verbs. Grammar is one of the last things to go.

【C1】

A．As

B．Since

C．While

D．In spite of

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第3题

碟形封头的类型代号（）

A.EHA

B.EHB

C.THA

D.THB