Clouds that form as small white flakes or scaly globular mas

A radar range to a small，charted object such as a light will provide a line of position in which form?

A.Straight line

B.Arc

C.Parabola

D.Hyperbola

Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate ______．

A.clearing weather

B.that a warm front has passed

C.probable thunderstorm activity

D.an approaching hurricane or typhoon

Why do we use the weather satellites to take pictures of the atmosphere?Because______．

A．the weather satellites can do it easily

B．clouds form. there

C．the weather forms there

D．the pictures can forecast the weather

High clouds, composed of small white flakes or scaly globular masses, and often banded together to form a mackerel sky, would be classified as ______.

A.cirrus

B.cirrocumulus

C.altostratus

D.Cumulonimbus

In many areas "atoll" clouds (clouds of vertical development) are produced over small islands. These are the result of ______.

A.rising air currents produced by the warm islands

B.warm air from the sea rising over higher land areas

C.cool land air mixing with warm sea air

D.descending air over the islands

Early indications of the approach of a hurricane may be all of the following EXCEPT_____

A.short confused swells

B.gradually incresing white clouds (mare’s tails)

C.pumping barometer

D.continuous fine mist-like rain

［A］ flakes ［B］ flocks ［C］ chips ［D］ cakes

MODERATE WAVES, TAKING A MORE PRONOUNCED LONG FORM;MANY WHITE HORSES ARE FORMED. This sea condition is likely to be termed ______.

A.near gale

B.moderate breeze

C.fresh breeze

D.strong breeze