Which of the following is the common pattern of definition？

A、Euro

B、Pound

C、Dollar

D、Yen

A、Ergodicity is a notion of asymptotic independence.

B、A strictly stationary process that is ergodic is called ergodic stationary.

C、An important implication of ergodicity is that the statistical properties (such as the population mean and variance) of the ergodic time series process can be deduced from a single, su?ciently long sample (realization) of the process.

D、All of the above.

A、It is a socially or ritually recognized union or legal contract between spouses that establishes rights and obligations between them, between them and their children, and between them and their in-laws.

B、It varies according to different cultures, but it is principally an institution in which interpersonal relationships, usually sexual, are acknowledged.

C、It is a variety of different feelings, states, and attitudes that ranges from interpersonal affection to pleasure. It can refer to an emotion of a strong attraction and personal attachment.

D、In some cultures, it is recommended or considered to be compulsory before pursuing any sexual activity. When defined broadly, it is considered a cultural universal.

A、It is a variety of different feelings, states, and attitudes that ranges from interpersonal affection to pleasure. It can refer to an emotion of a strong attraction and personal attachment.

B、It is a socially or ritually recognized union or legal contract between spouses that establishes rights and obligations between them, between them and their children, and between them and their in-laws.

C、It varies according to different cultures, but it is principally an institution in which interpersonal relationships, usually sexual, are acknowledged.

D、In some cultures, it is recommended or considered to be compulsory before pursuing any sexual activity. When defined broadly, it is considered a cultural universal.

A、Genetically modified foods have become a major concern of the society and have caused great controversy.

B、While there may be economic benefits of growing genetically modified crops, there are negative health consequences for the people who consume them and for the farmers who produce them.

C、This essay will discuss the health and safety issues as related to genetically modified foods.

D、GM foods need to be tested on a case-by-case basis before introduction.

Which of the following statements are TRUR and which are FALSE? Why? （要解释原因） a. All normal children have equal ability in learning their first language. b. It is easy for parents to teach their children grammar. c. The young child is not taught to speak, or to understand his language. There is no formal learning of grammar or pronunciation practice. d. At first children do not inflect nouns or verbs. e. Children learn their native language well whenever they start and whatever kinds of language samples they receive. f. For a child to acquire his mother tongue the most basic requirement is that he hears people speaking this language. He will then begin to learn the language. g. Phonology and grammar are finite, tightly structures systems, the child must master them before puberty in order to be a native speaker of the language.

A、The consonant /r/is often silent.

B、The letter "h" is often silent.

C、The long vowel /i:/ is often pronounced as the short vowel /i/.

D、The consonant /d/ is often pronounced as /t/.

Which of the following sentence is the Wrong trnsltion for “我突然想起一个好主意” I occurred toWhich of the following sentence is the Wrong trnsltion for “我突然想起一个好主意” I occurred to good idellt once. B．I cme up with good ide suddenly. C． good ide suddenly struck me. D． good ide cme into my mind suddenly.

A．I occurred to a good idea all at once

B．I came up with a good idea suddenly．

C．A good idea suddenly struck me

D．A good idea came into my mind suddenly．

A、Cell is the basic units of an organism.

B、In multi-cell organism every cell have specific function.

C、New cell is produced from pre-existing cell.

D、All of the above.

A、The classical dichotomy separates real and nominal variables.

B、Monetary neutrality is the proposition that changes in the money supply do not change real variables.

C、When studying long-run changes in the economy, the neutrality of money offers a good description of how the world works.

D、All of the above are correct.