Describe and compare difrerent causes for deviations from Beer's law．

candidates and to assess whether the use of external recruitment consultants is appropriate.

Required:

(a) Describe the advantages of internal promotion. (5 marks)

A、compare two subjects

B、explain causes/ effects

C、describe a topic

D、tell steps in a process

Which of the following is the purpose of the first paragraph？

A．To describe some successful doctors.

B．To compare poor writers with diseased people.

C．To tell the teachers why some 'students are poor in health.

D．To show the importance of a teacher's job.

A、To compare two types of spending habit.

B、To encourage spontaneous spending.

C、To describe what a compulsive spending is.

D、To make people aware of their problems.

Why does the professor say thisΩ？

A．To describe the importance of runoff and groundwater.

B．To compare the amount of runoff with that of groundwater.

C．To show similarities between runoff and groundwater.

D．To explain how runoff eventually becomes groundwater.

Why does the author mention "planktonburgers" in paragraph 3？

A．To describe the appearance of one type of plankton.

B．To illustrate how much plankton a whale consumes.

C．To suggest plankton as a possible food source.

D．To compare food values of beef and plankton.

Why does the professor say this:

A．To show that agriculture involves taking risks

B．To illustrate the function of transporting

C．To compare various methods of harvesting

D．To describe job opportunities in marketing

A．To describe the nutritional benefits of flower nectar

B．To state that birds and their food evolved together

C．To compare the physical structure of birds and plants

D．To explain why birds need variety in their

A．To describe the effect that distance has no visibility.

B．To compare the ages of two relatively young galaxies.

C．To emphasize the vast distances of the galaxies from Earth.

D．To explain why certain galaxies cannot be seen by a telescope.

A．To explain why camouflage is not a perfect defense

B．To imply that birds and moths evolved at the same time

C．To describe how birds use their eyesight to find food

D．To compare the survival strategies of birds and moths