鈥淚t is 鈥︹€濆彞鍨嬫槸璀拌珫鏂囧浣滀腑缍�(j墨ng)甯稿嚭鐝�(xi脿n)鐨勫彞娉曠祼(ji茅)妲�(g貌u)锛岃€冪敓鍊戞噳(y墨ng)瑭叉湁鎰忚瓨(sh铆)鍦板仛涓€浜涚⿳绱拰瑷樻喍锛屼互鍌欏钩鏅�(sh铆)鎿嶇反鍙婅€冭│涓娇鐢�銆備笅闈㈢偤鐩搁棞(gu膩n)鍙ュ瀷鐨勫皬鐨勫尟绺斤紝鑰冪敓鍊戝彲浠ュ弽寰�(f霉)鎿嶇反锛岀洿鑷冲緢鑷鍦版兂鍒板畠锛岀敤鍒板畠銆�

1锛� It + 琚嫊(d貌ng)瑾炴厠(t脿i) + that鈥�

1) It is widely recognized that extensive deforestation contributed to heavy summer flooding. 锛堢溇鎵€鍛ㄧ煡锛�

2) It is reported that 800000 applicants sat for the National Master鈥檚 Entrance Test in 2003. 锛堟摎(j霉)鍫�(b脿o)閬擄級

3) It is estimated that two thirds of the cities of our country will be in acute shortage of fresh water by 2010. 锛堟摎(j霉)浼拌▓(j矛)锛�

4) It is generally accepted that to practice euthanasia on a patient who is still alive is inhuman. 锛堜汉鍊戞櫘閬嶈獚(r猫n)鐐猴級

5) It must be admitted that the price war will disturb the normal order of the market. (蹇呴爤鎵胯獚(r猫n))

6) It cannot be denied that the overgrowth of tourism may destroy the ecological balance of some scenic resorts. 锛堜笉鍙惁瑾�(r猫n)锛�

7) It is known to all that physical exercises can improve and enrich our physical and mental well-being. 锛堢溇鎵€鍛ㄧ煡锛�

8) It goes without saying that our actual knowledge of natural laws is still imperfect and limited. 锛堟鐒＄枒鍟忥級

2锛� It is + 褰㈠瑭� + to do sth / that鈥�

1) It is obvious /evident /clear /apparent that the situation is caused directly by excessive commercial fishing. 锛堝緢椤劧锛�

2) It is understandable (inevitable) that people鈥檚 attitudes are divergent on this controversial issue. 锛堝彲浠ョ悊瑙�/涓嶅彲閬垮厤鐨勬槸锛�

3) It is unimaginable (incredible/unbelievable) that such a boy of 17 should have had three novels published. 锛堥洠浠ョ疆淇＄殑鏄級

4) It is imperative that something urgent be done to combat the widespread use of illegal drugs among teenagers. 锛堚€︽槸寰堟湁蹇呰鐨勶級

5) It is upsetting to find people who behave differently from us. We may, at first, assume that something is wrong with them. 锛堚€︽槸浠や汉鎯辩伀鐨勶級

6) It is impossible to concentrate if you are tense or nervous.锛堚€︽槸涓嶅彲鑳界殑锛�

7) It is highly necessary for our government to stop the corruption of government officials.锛堟煇浜哄緢鏈夊繀瑕佸仛鏌愪簨锛�