“Darwin teaches us that life _________ c

题型:选择题

问题:

“Darwin teaches us that life _________ continually ________ to keeping up with a changing Earth.” The expert explained.

A.is; adapting

B.has; adapted

C.will; adapt

D.does; adapt

考点:一般现在时将来进行时过去完成进行时过去将来时的被动语态
题型:选择题

在以下叙述中,可以将病毒与其他微生物相区别的是  [ ]

A.能够使人或动、植物患病

B.没有细胞核

C.只能在寄主细胞内繁殖

D.个体十分微小

题型:选择题

在图示的电路中,用量程为10V、内阻为20kΩ/Ⅴ级的直流电压表,测得A、B两点间的电压UAB为:()

A.6V

B.5V

C.4V

D.3V

题型:选择题

对一、二级抗震等级的框架结构,当设计无具体要求时,其纵向受力钢筋检验所得的钢筋的抗拉强度实测值与屈服强度实测值的比值不应小于()。

A、1.2

B、1.25

C、1.3

题型:选择题

"Culture shock" occurs as a result of total immersion in new culture. It (51) to "people who have been suddenly transplanted abroad. " Newcomers may be anxious (52) they do not speak the language, know the (53) , or understand people’s behavior in daily life. The visitor finds that "yes" may not always mean "yes", that friendliness does not (54) mean friendship or that statements that appear to be serious are really intended (55) jokes. The foreigner may be unsure as to when to shake hands or embrace, when to (56) conversations, or how to approach a stranger. The (57) . of "culture shock" helps explain feelings of bewilderment and disorientation. Language problems do not account for all the frustrations that people feel. When one is (58) of everything that was once familiar, such as understanding a transportation system, knowing how to register for university classes, (59) knowing how to make friends, difficulties in coping with the new society may (60) .

60()。

A. arouse

B. rise

C. arise

D. raise

题型:选择题

企业拟投资某项目,期望的报酬率为20%,当时货币的时间价值为5%,如果不考虑通货膨胀因素,则该项投资的风险报酬率为( )。

A.5%
B.15%
C.20%
D.25%

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