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Each question below contains a statement with three blanks followed by five options. Choose which option can fill the three blanks and mark it as your answer.
The method of ___________ breeding and the current research __________ of Thiobacillus ferrous oxide are summarized, and some problems in the __________ of breeding are discussed.
Each question below contains a statement with three blanks followed by five options. Choose which option can fill the three blanks and mark it as your answer.
If there is anything this Covid year has ___________, it's we have to find our own methods of ___________ to guard against ___________.
Each question below contains a statement with three blanks followed by five options. Choose which option can fill the three blanks and mark it as your answer.
There are many thousands who do not have to work, yet they do, because work is ___________, enhances esteem, earns rewards and ___________ one's standing among _________ and in the society-at-large.
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