What is the major structure of the following sentence?A Mooc is an online course aimed at unlimited participation and open access via the web. A: A Mooc is an online course. B: A Mooc aimed at participation and access C: A Mooc is an unlimited participation. D: A Mooc is open access via the web.

Transformation of lysogenicity ( ). A: Participation by R plasmid B: Mediated by sexual fimbriae C: Participation by potent bacteriophage D: Participation by mild bacteriophage

If an unemployed<br/>person quits looking for work, ceteris paribus, the unemployment rate<br/>() A: decreases, and<br/>the participation rate increases. B: decreases, and<br/>the participation rate decreases. C: stays the same,<br/>and the participation rate decreases. D: and the<br/>labor-force participation rate stay the same.

Advertising and _____ are an indispensable part of participation planning.

The labor-force participation rate measures the percentage of the

All teachers are welcome to __________ (participation) in the contest.

There are two ways to apply for participation in the exhibition.

They expect him to________in the coming ceremony. (participation)

She never (participation) ________ in any of our discussions.

The labor-force participation rate tells us the fraction of the population that