One Question per Day on Synthetic Ammonia (Series Thirteen)

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This post was last edited by penghh1985 on 2016-2-16 07:59. I. Multiple-choice questions (each question has 4 options, of which only 1 is correct; fill in the correct option in the brackets). Continuing from Series 12, 61. (A-C-004) The sources of chemical pollution are ( ). (A) Burning gas (B) Reaction products (C) Complete reaction (D) Reaction by-products 62. (A-C-005) The contents of team accounting include ( ). (A) Output (B) Quality (C) Consumption quota (D) A, B, and C 63. (A-C-005) Large chemical enterprises implement ( ) level of accounting. (A) 4 (B) 3 (C) 2 (D) 5 64. (A-C-005) Medium-sized chemical enterprises implement ( ) level accounting. (A) 3 (B) 2 (C) 1 (D) 4 65. (A-C-006) Equipment maintenance should be carried out regularly ( ). (A) Tightening (B) Corrosion protection (C) Lubrication (D) A, B, and C 61. D 62. D 63. A 64. A 65. D. The scoring starts at 3 points; 1 point is added for each correct answer. It should be specifically noted that respondents are required to hide their answers. If the answerer’s score is not hidden, it is halved. For methods to hide posts, see: http://bbs.hcbbs.com/thread-1551107-1-1.html