A.A
B.B
C.C
D.D

Sometimes, people (41) your life and you realize that they are there (42) some purpose, to (43) you a lesson, or to help you (44) who you are or who you want to become. You’d never know who these people (45) be, your friend, your classmate, your neighbor, your co-worker, your teacher, or (46) a stranger, but they will deeply (47) your life in some way.

And sometimes things (48) to you that may seem (49) , painful and horrible at first, but (50) , you realize that without (51) those difficulties you would never know your strength, (52) or potential. Everything happens for a (53) . Nothing happens by (54) or by means of good luck. Illness, great achievement, love, injury and failure all come to (55) the limits of your soul. Without these tests, life would be like a straight and fiat road, but it goes (56) . It would be safe and comfortable, but dull and completely (57) .

Those people who affect your life, and the failure and the success you experience can help you to create who you are and who you become. Even the bad experiences can (58) from. In fact, they are the most important ones. If someone breaks your heart, or hurts you, please (59) them, for they helped you to learn about the importance of being careful when you open your heart. If someone loves you, love them (60) , because they are teaching you to love and how to open your heart and eyes to things.

正确

错误

正确

错误

二硝基苯甲酸与氢氧化钾

三氯化铁冰醋酸溶液

亚硝酸钠与硫酸

氢氧化钠和酚酞

发烟硝酸和醇制氢氧化钾

=（）。

正确

错误

Sometimes, people (41) your life and you realize that they are there (42) some purpose, to (43) you a lesson, or to help you (44) who you are or who you want to become. You’d never know who these people (45) be, your friend, your classmate, your neighbor, your co-worker, your teacher, or (46) a stranger, but they will deeply (47) your life in some way.

And sometimes things (48) to you that may seem (49) , painful and horrible at first, but (50) , you realize that without (51) those difficulties you would never know your strength, (52) or potential. Everything happens for a (53) . Nothing happens by (54) or by means of good luck. Illness, great achievement, love, injury and failure all come to (55) the limits of your soul. Without these tests, life would be like a straight and fiat road, but it goes (56) . It would be safe and comfortable, but dull and completely (57) .

Those people who affect your life, and the failure and the success you experience can help you to create who you are and who you become. Even the bad experiences can (58) from. In fact, they are the most important ones. If someone breaks your heart, or hurts you, please (59) them, for they helped you to learn about the importance of being careful when you open your heart. If someone loves you, love them (60) , because they are teaching you to love and how to open your heart and eyes to things.

正确

错误

Internet是全球最大的、开放的、由众多网络互联而形成的计算机网络，狭义Internet是指由上述提到网络中采用IP协议的网络互联而成的，广义Internet是指狭义Internet加上所有 (43) 的网络。Internet体系结构具有良好扩充性的主要原因在于它 (44) 。广义Internet的这种基于单一主干核心结构的弊端在于 (45) 。这种结构将逐渐被 (46) 所取代。

α受体阻断药

β受体阻断药

α,β受体阻断药

α₁受体阻断药

β₁受体阻断药

Sometimes, people (41) your life and you realize that they are there (42) some purpose, to (43) you a lesson, or to help you (44) who you are or who you want to become. You’d never know who these people (45) be, your friend, your classmate, your neighbor, your co-worker, your teacher, or (46) a stranger, but they will deeply (47) your life in some way.

And sometimes things (48) to you that may seem (49) , painful and horrible at first, but (50) , you realize that without (51) those difficulties you would never know your strength, (52) or potential. Everything happens for a (53) . Nothing happens by (54) or by means of good luck. Illness, great achievement, love, injury and failure all come to (55) the limits of your soul. Without these tests, life would be like a straight and fiat road, but it goes (56) . It would be safe and comfortable, but dull and completely (57) .

Those people who affect your life, and the failure and the success you experience can help you to create who you are and who you become. Even the bad experiences can (58) from. In fact, they are the most important ones. If someone breaks your heart, or hurts you, please (59) them, for they helped you to learn about the importance of being careful when you open your heart. If someone loves you, love them (60) , because they are teaching you to love and how to open your heart and eyes to things.

正确

错误

正确

错误

二硝基苯甲酸与氢氧化钾

三氯化铁冰醋酸溶液

亚硝酸钠与硫酸

氢氧化钠和酚酞

发烟硝酸和醇制氢氧化钾

=（）。

正确

错误

Sometimes, people (41) your life and you realize that they are there (42) some purpose, to (43) you a lesson, or to help you (44) who you are or who you want to become. You’d never know who these people (45) be, your friend, your classmate, your neighbor, your co-worker, your teacher, or (46) a stranger, but they will deeply (47) your life in some way.

And sometimes things (48) to you that may seem (49) , painful and horrible at first, but (50) , you realize that without (51) those difficulties you would never know your strength, (52) or potential. Everything happens for a (53) . Nothing happens by (54) or by means of good luck. Illness, great achievement, love, injury and failure all come to (55) the limits of your soul. Without these tests, life would be like a straight and fiat road, but it goes (56) . It would be safe and comfortable, but dull and completely (57) .

Those people who affect your life, and the failure and the success you experience can help you to create who you are and who you become. Even the bad experiences can (58) from. In fact, they are the most important ones. If someone breaks your heart, or hurts you, please (59) them, for they helped you to learn about the importance of being careful when you open your heart. If someone loves you, love them (60) , because they are teaching you to love and how to open your heart and eyes to things.

正确

错误

Internet是全球最大的、开放的、由众多网络互联而形成的计算机网络，狭义Internet是指由上述提到网络中采用IP协议的网络互联而成的，广义Internet是指狭义Internet加上所有 (43) 的网络。Internet体系结构具有良好扩充性的主要原因在于它 (44) 。广义Internet的这种基于单一主干核心结构的弊端在于 (45) 。这种结构将逐渐被 (46) 所取代。

α受体阻断药

β受体阻断药

α,β受体阻断药

α₁受体阻断药

β₁受体阻断药