48. The tone of the letter is best described as ________.
(A) requiring
(B)pleasant
(C) inquiring
(D) polite

複選題44. What kind of bakery products do young people have to eat?(複選) (A) Bread made with whole grains. (B)Bread containing less calories. (C) Bread made with good vegetable oil. (D) Bread made with enriched flour.

複選題45. When the author says that “we should intensify our efforts in nutrition education among our young people,” he means that we should __________.(複選) (A) tell young people to eat liver, chicken, beef or veal (B)advise young people to keep healthy, well-balanced diets (C) try to change eating habits to get enough iron and other essential nutrients (D) teach adolescents about nutrition in home economics class in school

46. The Indians’ chief purpose in writing the letter seems to ________. (A) politely refuse a friendly offer (B)express their opinions on equal treatment (C) describe Indian customs (D) show their pride

47. Different from the officials’ view of education, the Indians thought ________. (A) they taught different branches of science (B)young men should be educated in sciences (C) they had different goals of education (D) they should teach the sons of the officials first

複選題49. This passage is about ________.(複選) (A) the conflict between the Americans and the Indians (B)exchanging ideas between the Indians and the officials (C) the educational value of the Indians (D) the college of the northern provinces

複選題50. According to the letter, the Indians believed that ________.(複選) (A) they were being insulted by the offer (B)they had a better way of educating young men (C) they knew more about nature than the officials (D) it would be better for their boys to receive education at home

1.標定 NaOH 溶液常用之標準試劑為下列何者？ (A)無水碳酸鈉 (B)鄰苯二甲酸氫鉀 (C)碳酸氫鈉(D)氫氧化鉀

2.下列何者為弱電解質？ (A)鹽酸 (B)氫氧化鈉 (C)氫氧化鉀(D)醋酸

3.若有一溶液可使得石蕊試紙由藍色轉為紅色，則滴入酚酞時其會呈現何種顏色？ (A)無色 (B)橘色 (C)粉紅色 (D)藍色

4.在 25℃時，下列溶液中何者之氫離子濃度最高？ (A) pOH=12 (B) pOH=7 (C) pH =8 (D) pH=13