龋病最好发的牙面为A．切缘 B．咬合面 C．邻面 D．舌面 E．唇(颊)面

The Canadian people are made up of different national races.The first ____ settlers of the country were the Indians.
It was said that the Indians entered this continent ___ the Bering Strait(白令海峡) and Sea from eastern Asia at most 10,000 years ____.When Europeans first  ____ the country，Indians were living in most of areas ___ forests.There were only ____ Indians in the provinces near the Atlantic Ocean.
The second group of people to enter Canada ____ the Eskimos.They ____ the Bering Strait from Asia less than 3,000 years ago.There are few __ of their early movements.The first white settlers in Canada were the ____.They came in greatest ____ to Quebec，but also to Nova Scotia，____ they cleared farms on the southern side of the Bay of Fundy.The French built their castles at Quebec City，and cleared farms out of the forests in the area.____ the time of the British conquest(征服) in 1763，there had been about 60,000 Frenchmen in Canada，____ chiefly between Quebec and Montreal.There were not many British in Canada ____ American Revolution drove large numbers northward.
Throughout the 19th century，____ British people came to Canada.The descendants(后代) of these people ____ England，Scotland and Ireland now make ____ about half of the population.Around the ____ of the century people came in increasing numbers from Europe and the largest numbers came ____ Central and Eastern­Germans，Czechs，Poles，Rumanians and Ukrainians.

小题1:	A．famous B．well­known C．known D．news

小题2:	A．through B．into C．on D．across

小题3:	A．early B．more C．ago D．long

小题4:	A．reached B．left C．flew to D．shipped

小题5:	A．protected B．covered by C．like D．covering

小题6:	A．few B．packs of C．a number of D．a few

小题7:	A．are B．is C．were D．was

小题8:	A．crossed B．walked C．passed D．swam

小题9:	A．notes B．records C．signs D．speeches

小题10:

A．British B．Indians C．French D．American

小题11:

A．deal B．members C．areas D．numbers

小题12:

A．who B．which C．whom D．where

小题13:

A．By B．In C．At D．On

小题14:

A．to live B．living C．lived D．live

小题15:

A．when B．after C．until D．since

小题16:

A．thousand of B．thousands of C．thousands D．thousand

小题17:

A．in B．to C．near D．from

小题18:

A．up B．of C．from D．by

小题19:

A．year B．change C．turn D．day

小题20:

A．from B．in C．over D．up