23. Not only __________in the field of psychology, but animal behavior is explored as well.
(A) human behavior
(B) is studied human behavior
(C) is human behavior studied
(D) human behavior is studied
(E) human behavior is studying

19. Loss of memory is a natural __________of old age. (A) concomitant (B) dominant (C) indignant (D) repugnant (E) stagnant

20. Some private investors are not fully__________ of the benefits that environmental investments can yield to them. (A) cognitive (B) cognizant (C) conspicuous (D) consistent (E) contradictory 

A. Please choose the best answer to complete each sentence.21. If she__________ carefully, she would not have had that terrible accident. (A) drives (B) drove (C) has driven (D) had driven (E) would have driven

22. The Winged Victory statue lacks a head,__________ it is considered one of the world’s most beautiful sculptures. (A) nevertheless (B) still (C) despite (D) yet (E) therefore

24. __________of vision or smell might, without realizing it, affect who we choose as friends has been advised. (A) Our sense that (B) That our sense (C) Sense (D) For our sense (E) Because our sense

25. His friends recommended__________ the course. (A) John has to take (B) that John takes (C) that John take (D) that John to take (E) John taking 

B. For each sentence, please choose ONE underlined part that contains ungrammatical use of English.26. Before the pandemic grounded most flights, commercial aviation accounted for about 2.5% of global emissions of carbon dioxide. It sounds like it is a small proportion of the whole, but it is more than those of Germany, and this is not the whole story. (A)most flights,(B)accounted for(C)it is a small proportion(D)those of Germany(E) the whole story

27. Neither the archaeological data unearthed in Taiwan nor the documental evidence preserved in China indicating that Taiwan had ever been ruled by the Chinese earlier than that time. (A)Neither (B) unearthed (C)nor (D)preserved (E)indicating

28. A coral reef consists in millions of tiny coral polyps, which are a form of small animal related to biocomposites of calcium carbonate. (A)consists in (B)are (C)a (D)animal (E)related to

29. Those charging stations and USB devices can be easily modified to give criminals accessed to your phone, including installing software on the phone. (A)charging (B)easily (C) modified(D)accessed(E)installing