It's a time when they get together with their families to think about their history and their ancestors in Africa.（）

A. at

B. in

C. on

A. at

B. in

C. On

A.energetic

B.vigorous

C.enthusiastic

D.dynamic

A.MD5 authentication is supported.

B.A client always synchronizes to a server even when the difference between the server clock and the local clock differs by a large amount.

C.JUNOS software can provide a primary time reference.

D.The boot-server configuration allows a router to synchronize its clock when it boots up, regardless of the offset between the NTP clock source and its internal clock.

E.It is useful to correlate timestamps on log files and other events for troubleshooting and forensics.

Which statement can be inferred from this passage？

A．Each question has its proper time and place.

B．It is impolite to ask "how do you feel".

C．You won"t ask one person "how do you feel" when he is in a hurry.

D．It is easy to tell the truth when a person is very old.

英译汉

When America Online and Time Warner announced their merger in January 2000, at the height of the Internet boom, this mega-marriage of new technology and old media was enthusiastically received. The world's biggest online service was expected to inject its "Internet DNA" into the stodgy media giant. Together they -would come up with all sorts of lucrative synergies and "cross-fertilization". Even the Economist was excited: "For once, the superlatives and the hype seem justified," we opinioned.

A.disengaging the clutch firstly, then stopping the main engine

B.stopping the main engine firstly, then disengaging the clutch

C.stopping the cooling water pump firstly, then stopping the main engine

D.stopping the main engine and disengaging the clutch at the same time

A、capital

B、complain

C、temperature

D、passage

材料：

When expenses are incurred the liability under this insurance shall not exceed the proportion of such expenses that the amount insured hereunder bears to the value of the Vessel as stated herein，or to the sound value of the Vessel at the time of the occurrence giving rise to the expenditure if the sound value exceeds that value．Where the Underwriters have admitted a claim for total loss and property insured by this insurance is saved，the foregoing provisions shall not apply unless the expenses of suing and labouring exceed the value of such property saved and then shall apply only to the amount of the expenses which is in excess of such value．

When a claim for total loss of the Vessel is admitted under this insurance and expenses have been reasonably incurred in saving or attempting to save the Vessel and other property and there are no proceeds，or the expenses exceed the proceeds，then this insurance shall bear its pro rata share of such proportion of the expenses，or of the expenses in excess of the proceeds，as the case may be，as may reasonably be regarded as having been incurred in respect of the Vessel，but if the Vessel be insured for less than its sound value at the time of the occurrence giving rise to the expenditure，the amount recoverable under this clause shall be reduced in proportion to the under-insurance．

问题：

Of the following，_______ only is correct．

A.The stated value of the vessel is always higher than its ensured value

B.The sound value of the vessel at the time of the occurrence is always higher than its ensured value

C.The sound value of the vessel at the time of the occurrence is always higher than its stated value

D.The sound value of the vessel at the time of the occurrence is always higher than its saved value

Assuming the sound value of the vessel at the time of accident is $10 millions，the insured value $9 millions，the stated value $8 millions，the expense incurred $2 millions，the liability under this insurance is likely to be _______．A.$2.0 millions

B.$1.8 millions

C.$1.6 millions

D.$1.4 millions

Under afore-said conditions，assuming the expense of suing and labouring is $3 millions，the proceeds $2 million，and the Underwriter has admitted a claim for total loss，the liability under this insurance is likely to be _______．A.$0.9 million

B.$0.8 million

C.$1.0 million

D.$2.0 millions

Under previous conditions，assuming the saved value is $1 million，the expense of suing and labouring $3 millions，and the Underwriter has admitted a claim for total loss，the liability under this insurance is likely to be _______．A.$2.0 millions

B.$1.8 millions

C.$1.6 millions

D.$1.4 millions

请帮忙给出每个问题的正确答案和分析，谢谢！

Most of the stars are much bigger than the moon, but they look smaller __22__ they are far away from the earth. At night, the moon is high in the sky like a light. But the moon has no light of its own . The light of the moon __23__ the sun. The sun gives us light, heat and life. And the plants, animals and men will die without the sun. The earth is going round itself __24__. When the part of the earth turns to the sun, it is day. The __25__ part of the earth is night.

The earth is our homeland. We should love it.

21)、

A.because

B.comes from

C.between

D.opposite

E.all the time

22)、

A.because

B.comes from

C.between

D.opposite

E.all the time

23)、

A.because

B.comes from

C.between

D.opposite

E.all the time

24)、

A.because

B.comes from

C.between

D.opposite

E.all the time

25)、

A.because

B.comes from

C.between

D.opposite

E.all the time