用电子配对法，写出下列物质的分子结构式： BBr3 CS2 SiH4 C2H4

The purpose of the passage is to __________．

[A] urge House Democrats to modify a health care bill

[B] explain why a health care bill is necessary to pass

[C] call for House Democrats to pass a health care bill

[D] clarify the importance of a health care bill

A．agree

B．agreed

C．agreeing

D．agreement

The author is opposed to breaking the health care bill into pieces because

[A] it will be blamed

[B] it will waste time

[C] it's useless to do that way

[D] it should remain intact

A.1948, Acts of Parliament

B.1958, Acts of Parliament

C.1948, the Bill of Rights

D.1958, the Bill of Rights

Senators are considering alternatives to

A．the health insurance program.

B．the public facilities program.

C．the health bill program.

D．the law enforcement program.

It can be inferred from the news item that______.

A．the whole bill will not go into effect immediately

B．the bill will cost a great sum of money

C．people from all walks of life agree with the bill

D．children under 26 can stay on his parents" health insurance

A．their state of health

B．all medical expenses

C．the doctor's qualifications

D．the anticipated schedule of recovery

The bill will

A．provide Americans with universal health-care.

B．urge all Americans to have insurance.

C．extend health care to 30 million uninsured Americans.

D．prevent insurance companies from rejecting to cover the poor.

An exporter has to submit the Shipping Bill or Export Declaration or outward

Export Permit to customs authorities as may be prescribed by law in the prescribed form． The Shipping Bill may be accompanied by such documents as may be prescribed by customs authorities，for example，invoices and packaging list，export license(for controlled goods)， inspection certificate(wherever applicable)，health certificate for live animals，and so on．