______ most of the earth's surface is covered by water,fresh water is very rare and precious.
选项:
A:
As
B:
Once
C:
If
D:
Although
As
Once
If
Although
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A runway of which a part of the runway surface area within the required length and with being used is
covered with surface water more than three millimeters deep
B:A runway of which a part of the runway surface area within the required length and width being used is covered with surface water more than two millimeters deep
C:A runway of which more than 25 percent of the runway surface area within the required length and width being used is covered with surface water more than two millimeters deep
D:A runway of which more than 25 percent of the runway surface area within the required length and width being used is covered with surface water more than three millimeters deep
Lake Superior
B:Lake Michigan
C:Lake Huron
D:Lake Ontario
in
B:for
are needed for
B:is needed to
C:are need to
D:is need for
confront with
B:confront to
C:be confronted to
D:be confronted with
A、water
B、lighter
C、knife
D、snacks
was geochemistry recognized
B:when geochemistry was recognized
C:then recognized as geochemistry
D:as geochemistry was recognized
finding
B:seeing
C:looking
D:hauling
Right
B:Wrong
C:Not mention
She may have some social events to attend.
B:She seldom drinks full glasses of water.
C:She likes eating fresh fruit and vegetables.
D:She doesn't like bread with whole grains.
±CONCRETE]
B:± COUNTABLE]
C:±DYNAMIC]
D:± ANIMATE]
assure
B:insure
C:reassure
D:ensure
and
B:but
C:/
D:nor
in advance
B、make the most of
C、stand a chance
D、all at once
Assure.
B:insure
C:reassure
D:ensure