Blue－green algae grow abundantly in salt marshes.
A、primarilyD
暂无解析
The controls of most modern airplanes can be operated either manually or automatically.
Ella Grasso, elected governor of Connecticut in 1974, supported the enactment (given, granted) of a freedom-of-information law.
Some children display an unquenchable 难以抑制的 curiosity about every new thing they encounter.
Whencarbonisaddedtoironintheproperproportions,theresultissteel.
Incalculatingthedailycalorierequirementsforanindividual,variationsinbodysize,physicalactivity,andageshouldbetakenintoaccount.
