A、Two random variablesandare independent if and only if the joint PMF or PDF can be written asfor all.
B、Two random variablesandare independent if for any Borel setsand,.
C、If random variablesandare independent andis a measurable function such thatexists, then.
D、Random variablesare independent if and only if for any pair, the joint CDFfor all.
第1题
A、Racism goes further than a specific kind of prejudice.
B、Racism involves the exercise of power.
C、Racism exists only in some areas.
D、Racism denies the existence of the culture of a particular group.
第2题
A、It is also called the American Revolutionary War .
B、It was an war between Great Britain and its thirteen colonies.
C、It freed the slaves in America and gave them equal rights.
D、It declared the colonies’ independence as the United States of America.
第3题
A、Career tests can be found on line.
B、Career tests provide suggestions on what jobs are best suited to you.
C、In order to get a good result, you should not answer the questions in career test honestly.
D、Some colleges provide free career tests on their official websites.
第4题
Which of the following statements about plant classification is WRONG?
A、Chloroplasts in plants and green algae contain chlorophyll a and b and β-carotene.
B、Plants share the evolutionarily derived traits for surviving on land that are absent in algae.
C、Mosses, hornworts, liverworts, and ferns are nonvascular plants.
D、Magnolia and its relatives, monocots, and eudicots are flowering plants (i.e., angiosperms).
第5题
Which of the following statements about the financial statements of limited liability companies are correct according to International Financial Reporting Standards? 1 In preparing a statement of cash flows, either the direct or the indirect method may be used. Both lead to the same figure for net cash from operating activities. 2 Loan notes can be classified as current or non-current liabilities. 3 Financial statements must disclose a company's total expense for depreciation, if material. 4 A company must disclose by note details of all adjusting events allowed for in the financial statements.
A、1, 2 and 3 only
B、2 and 4 only
C、3 and 4 only
D、All four items
第6题
A、Job fair is an event where recruiters and employers gather for providing information about available positions and their companies.
B、College students should pay more attention to campus job fair and on-campus recruitment talks.
C、You only have to offer resumes to recruiters on a job fair and you don’t have to prepare for a job interview.
D、Recruitment talk usually begins with a presentation, followed by a Q&A or networking sessions.
第7题
Which of the following statements about plastids is CORRECT?
A、The chloroplast is one type of chromoplasts because it contains a high concentration of chlorophyll pigment.
B、Chloroplast division is independent of nuclear division; therefore, the chloroplast does not require nuclear-encoded proteins to divide.
C、Both chloroplasts and amyloplasts can accumulate starch.
D、None.
第8题
A.It arrives occasionally in the form. of meteorites.
B.It is regarded as a gift from the gods.
C.It is regarded as heavenly element.
D.It tarnishes as slowly as gold.
第9题
A、Preferred stock is like debt in that there is a contractually specified fixed payment
B、The Preferred dividends must be made before the holders of common stock can be paid anything
C、Failure to pay preferred dividends will trigger a default
D、The holders of preferred stock usually do not get to share the residual value of the firm’s assets with the holders of the common stock
第10题
Which of the following statements about company financial statements is/are correct, according to International Financial Reporting Standards? 1. Dividends paid on ordinary shares should be included in the statement of profit or loss and other comprehensive income. 2. Dividends paid on redeemable preference shares are treated in the same way as dividends paid on ordinary shares. 3. The statement of profit or loss and other comprehensive income shows the gain on revaluation of non-current assets for the period.
A、1, 2 and 3
B、only 3
C、2 & 3
D、only 1
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