【題目】 南極的生態(tài)系統(tǒng)脆弱，一粒外來(lái)的種子都可能給南極帶來(lái)顛覆性的破壞。因此，開(kāi)展安全環(huán)保的南極旅游活動(dòng)成為各國(guó)共識(shí)。目前，我國(guó)已成為僅次于美國(guó)的南極旅游第二 大客源國(guó)。每年11月至次年2月，在中國(guó)南極長(zhǎng)城科考站要迎接近2000名國(guó)內(nèi)游客，每批游客至少需要3名科考隊(duì)員迎接、解釋該站，并防止游客進(jìn)入危險(xiǎn)區(qū)域。

據(jù)此完成下面小題。

【1】11 月至次年2月，南極地區(qū)

A. 晝短夜長(zhǎng)B. 晝夜等長(zhǎng)

C. 晝先漸長(zhǎng)后漸短D. 夜先漸長(zhǎng)后漸短

【2】旅行社組織赴南極旅游活動(dòng)時(shí)，應(yīng)

①提高游客環(huán)保意識(shí)，做好環(huán)保培訓(xùn) ②告訴游客可近距離與企鵝、海豹等動(dòng)物拍照 ③告訴游客不 可喂食、觸摸極地動(dòng)物 ④要求游客準(zhǔn)備防寒服、雪地靴、墨鏡、防曬霜等極地旅游裝備 ⑤鼓勵(lì)更 多游客參觀科考站，增加對(duì)南極的科學(xué)考察知識(shí) ⑥要求游客將垃圾集中一處，并就地銷毀

A. ①②③B. ②④⑥C. ③⑤⑥D. ①③④

【答案】

【1】C

【2】D

【解析】

南極地區(qū)是世界上緯度最高、海拔最高的地區(qū)，是世界上最寒冷的地區(qū)，這里也是世界上唯一沒(méi)有常住居民的大陸。

【1】由于太陽(yáng)直射點(diǎn)在南北回歸線之間來(lái)回移動(dòng)，地球上南北半球季節(jié)相反，每年的11 月至次年2月是南極地區(qū)的暖季，此時(shí)晝長(zhǎng)夜短，并且晝?cè)絹?lái)越長(zhǎng)，夜越來(lái)越短，故選C。

【2】為了保護(hù)南極這塊凈土，旅行社組織赴南極旅游活動(dòng)時(shí)，提高游客環(huán)保意識(shí)，做好環(huán)保培訓(xùn)；告訴游客不可喂食、觸摸極地動(dòng)物；要求游客準(zhǔn)備防寒服、雪地靴、墨鏡、防曬霜等極地旅游裝備，其他三種做法是不可取的，故選D。

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