进行水泥抗折强度试验时，试验加荷的速率为______。水泥抗压强度试验时，试验加荷的速率为______。

Which of the following is NOT a source of public speaking fear？

A.Anxiety about the future.

B.Perfectionism.

C.Preparation.

D.Procrastination.

A．FQDN

B．DNS name

C．Public key

D．Private key

A. Public key

B. CSU/DSU

C. Private key

D. Shared secret

In the passage, which of the following about the BBC is not mentioned as the key issue？

A．Extension of its TV service to Far East.

B．Programmes as the subject of a nation-wide debate.

C．Potentials for further international co-operations.

D．Its existence as a broadcasting organization.

Which of the following details about Family Health International is INCORRECT？

A．It is a nonprofit organization.

B．It provides public health services.

C．It carries out research on public health.

D．It has worked in five countries till now.

A.Should benefit all involved companies.

B.Attract public interest.

C.Invite Competition.

D.Open for all developers and all operators.

Which of the following statements is TRUE about the objection to vouchers？

A．Government shouldn't separate public and private schools.

B．Religious schools can not use public money.

C．Lack of money causes children not to attend public schools.

D．Children's choice of schools depends on the money offered to the school.

A. In the DH key exchange process, the session key is never passed across the network.

B. In the DH key exchange process, the public and private keys are mathematically related using the DH algorithm.

C. In the DH key exchange process, the session key is passed across the network to the peer for confirmation.

D. In the DH key exchange process, the public and private keys are not mathematically related, ensuring higher security

Which of the following details about Family Health International is INCORRECT？

A．It is a nonprofit organization.

B．It provides public health services.

C．It carries out research on public health.

D．It has worked in five countries till now.