Even experienced campers sometimes may get lostTo avoid getting lost stay on Marked trailsTake a notebook and pencil with you for notesUse a compass so you know what direction you are goingTo find your way with a compassyou must know which way you want to goBefore you leave your campfind a large landmark nearby to mark your campsite(露营地)head in the opposite direction from the landmarkif your compass shows you are going westwhich direction will you travel to return to you campsite? East

    If you do get lostdon’t panicThis is the worst thing you can doPeople who panic have been known to walk in big circlesThey don’t realize thisof courseThey exhaust themselves and never get back on course

    If it is lateand others know you are out hikingstay where you areSomeone will come looking for you soon

    If it is earlyand you want to try to find your way backleave trail marks to show you where you have beenTie a handkerchief to a branchPut a pile of stone on the trail you have takenIf you have pen and notebook in your packwrite a note and put it on a treeWrite down the timedatethe fact that you are lost and the direction you are now hiking

    If you are lost at nightbuild two campfires close togetherTwo columns of smoke side by side are a signal for helpRangers and campers will recognize and respond to the firesThey will locate your smoke signals and come to find you

根据短文内容,判断正误。正确的用“A”表示,错误的用“B”表示。

1You’d better take a notebooka pencil and a compass before you go for a camp

2Before you leave your campfind a large landmark nearby to mark your campsite

3If you do get lostyou shouldn’t panic before you go back to your campsite

4If you are lost at nightbuild four campfires close together

5If you do get lostyou’d better walk back to your campsite quickly

Look at the diagram(图表)belowIt shows a cross—section(横截面)of a mountain and the land on each side of itThe sea is on the west side of the mountain

In JanuaryFebruary and Marchwarm wet winds blow strongly across the sea towards the mountainThe winds pick up moisture(湿气)as they blow across the seaWhen clouds reach the mountainthey rise and become coolerThe higher they have to gothe cooler they becomeThe moisture in the clouds turns to rainAs a resultthe clouds drop rain on the west side of the mountainwhich sometime has problems with floodingSome of the clouds pass over the mountain but there is little rain in them

    In July and Augustwinds blow from G towards the mountainThey pass over a wide desertwhere it is always very hotThe winds become hot and dryThey rise when they meet the mountainThey do not form clouds because there is no moisture in the hot air

    The diagram shows whyin many countiesthere are profitable(有益的)farms on the side of a range of mountains but there is a desert on the other side

根据短文内容,选择正确答案。

1Suppose it is in the northern part of the earthwhich season is dry?

      ASpring    BSummer    CAutumn   DWinter

2Which part in the diagram is good for farming?

      AA to B    BC to D

      CE to F     DF to G

3After reading the passage and the diagramwhat is the most important cause of the rain?

      AThe sea      BThe clouds

      CThe mountain  DThe desert

4Why don’t the winds from G form clouds?

      ABecause the winds are not strong enough

      BBecause the winds don’t pass over the desert

      CBecause there is no moisture in the hot air

DBecause the winds don’t reach the mountain

5Which of the following statements is TRUE?

      AThere are no clouds passing over the mountain

      BPoint G is to the west of point A

      CWhen the winds meet the mountainthey always form clouds

      DThe higher the clouds gothe cooler they become

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