The word tracks in Paragraph 9 is closest in meaning to______.

A、Both objects can have the same magnitude of momentum.

B、Object 1 has a momentum of greater magnitude than Object 2.

C、The magnitude of the momentum of Object 2 is four times that of Object 1.

D、All the statements are false.

E、All the statements are true.

A、Both objects can have the same kinetic energy.

B、One object has 0.707 times the kinetic energy of the other.

C、One object has twice the kinetic energy of the other.

D、One object has 4 times the kinetic energy of the other.

E、None of the others.

A．Both objects can have the same magnitude of momentum

B．Object 1 has a momentum of greater magnitude than Object 2

C．The magnitude of the momentum of Object 2 is four times that of Object 1

D．All the statements are false

E．All the statements are true

Which of the following statements is TRUE according to this passage？

A．The residential construction in Canada develops unsteadily.

B．Most economists foresaw the Canadian economic contraction.

C．The Canadian economic contraction was beyond expectation.

D．The US economy is much stronger than the Canadian economy.

The multidimensional indicator adopts the following measures EXCEPT______.

A．educational accomplishment

B．unemployment

C．unpayable debt

D．family stability

In the different forms of regional economic integration,() adopts the same trade policy for all the members towards countries outside the organization.

A、Free Trade Area

B、Customs Union

C、Common Market

D、the economic union

Which of the following about the construction of houses is true？

A．Building materials differ from tribe to tribe.

B．Building materials are the same for all the houses.

C．Building materials are selected according to weather.

D．Building materials are decided by skilled workers.

omobile tool. This is to ensure the company is protected in the event one of the suppliers adopts an uncooperative attitude. Which of the following concepts is illustrated in this scenario？

A、Outsourcing

B、Vertical integration

C、Horizontal integration

D、Parallel sourcing

E、Full integration