[填空题]If you get lost, you should keep calm because all that you’ve lost maybe just a bit of information.

[填空题]If you get lost, you should keep calm because all that you’ve lost maybe just a bit of information.

[填空题]One of the common reactions when you get lost is fear, which may cause you running around wildly.

[单项选择]Whether you keep all the receipts in a shoe box or use online banking, you should be clear about
A. the safety of the trading process.
B. how to make the most money.
C. each sum you have earned and spent.
D. your ability to make major purchases.

[填空题]You should not fear spiders because of their poison. Of all the spiders in North America, only one kind is very{{U}} (36) {{/U}}and most would not bite even if they were{{U}} (37) {{/U}}. They much prefer to run away or to drop to the ground on a{{U}} (38) {{/U}}of silk. Even so, when a spider runs directly toward a person, it gives the{{U}} (39) {{/U}}that it is about to attack. Actually, it cannot see the person in its way. The spider is too{{U}} (40) {{/U}}to see things at a distance. It only wants to go where it wouldn’t be{{U}} (41) {{/U}}. In the United States only one kind of spider is responsible for the frightening {{U}} (42) {{/U}}of the rest. It is the Black Widow (黑寡妇). So called because the female, which is larger than the male, often eats her {{U}} (43) {{/U}} after making love. {{U}} (44) {{/U}}.She constructs a loose, irregular web under a pile of rowans (美洲花楸) or near the foundations of buildings where she is seldom disturbed. She is not an

[单项选择]

In the jungle (丛林) you may get hopelessly lost within five minutes after starting. That is (36) you should always carry a compass (指南针). In open country, during the day, you can (37) which way to go by studying the (38) . At night, the stars are sure (39) to direction. In most places the jungle rooftop (顶) is so (40) that it is (41) to see the sun or the stars. (42) you must check your position by the (43) . Keep watchful (注意的，警惕的). Watch the ground in front of you carefully. (44) and listen now and a gain. Avoid (45) , and rest often. In a place (46) is hot and damp, the person who walks fast will soon become (47) . A steady (稳定的), slow step is wisest in the long run. If you (48) your way, don’t be scared (恐惧的). Try to (49) how long it has been (50) you were sure of your position. Make a mark (51) you are on a tree. Put the marks on (52) of the trees, so t
A. Always
B. Never
C. Often
D. Do