超星 - Lesson 16 - 查题吧

单选题

_____may be embedded or obscured by massive cloud layers.

A. Cumulonimbus
B. Cumulus
C. Droplet
D. Ice

单选题

The other weather phenomena may prevent you ______ the characteristics of thunderstorm.

A. to see
B. see
C. saw
D. seeing

单选题

A rolling, turbulent, circular-shaped cloud may form at the lower leading edge of the cloud—_____.

A. cumulus cloud
B. roll cloud
C. anvil cloud
D. high cloud

单选题

When the cell becomes an area of predominant downdrafts, it is considered to be in the_____ stage.

A. cumulus
B. convection
C. mature
D. dissipating

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