单项选择题

The atmosphere is as much a part of the earth as ______its soil and the water of its lakes, rivers and oceans.

A．are
B．is
C．do
D．has
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单项选择题
A．laidB．are layingC．are laidD．are lying
A．laid
B．are laying
C．are laid
D．are lying
单项选择题
Individual sports are nm by over 370 independent governing bodies whose functions usually include ______ rules, holding events, selecting national teams and promoting international links.
A．drawing on
B．drawing in
C．drawing up
D．drawing down
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