34.About 30 Global _____ Satellites go around the Earth “pinging” billions of devices, such as phones and car SATNAVs, so you know exactly where you are.
(A) Pavement
(B) Power
(C) Positioning
(D) Practice

30.A: Don’t you think it’s hard shopping for gifts?B:__________ .(A) No, never. I suppose I’d worry that someone would find out.(B) Usually. I do it because I like to get lots of presents on my own birthday.(C) Sometimes. I suppose it’s better than keeping something you don’t want.(D) Actually, I enjoy it. Though I suppose it’s not easy if you don’t know what people want.

31.A: I'm having problems with my computer.B: What's wrong with it?A: ____________________(A) I didn’t think of that.(B) Give it a couple days, and it should be back.(C) He was acting up in class one day last week.(D) For some reason it won't turn on.

32.Student: Miss Wang, I didn’t quite catch on.Teacher: ____________________(A) I’ll explain it again. (B) You’d better hurry up.(C) I don’t like to be stood up. (D) We’d better be early tomorrow.

33.Unrestricted exploitation of natural resources is not a _____ practice.(A) subtract(B) suspension(C) subsequent(D) sustainable

35.Lee: After reading the report, I put it away in the safe.Lin: ____________________(A) Very well. You must have thrown it away.(B) Oh, it must be very important.(C) Why are you so careless?(D) Why not sell your safe?

36.The Russian military once determined to hold fire and open humanitarian _____ in several Ukrainian cities to evacuate children, women and the wounded. (A) masquerade (B) shift (C) channel (D) corridor

37.In this essay, what is the main impact of learning during the Covid-19 pandemic? (A) Students are not familiar with the operation of the learning software. (B) Teaching online is too challenging for most of the teachers. (C) Students do not complete the learning scheduled for the school year. (D) Online learning only benefits tech-savvy students.

38.What is the main problem if students learn less than they should in a school year? (A) School will get complaints from parents. (B) Students will not be adequately assessed. (C) Students will have difficulty catching up on learning while moving on to the next grade. (D) Students will feel less confident about themselves.

39.What can be the most feasible way to solve the problem of “unfinished learning”? (A) Equip students with necessary skills and attitude towards the learning amidst the Covid-19 pandemic. (B) Make sure that students have adequate learning devices like Wi-Fi connection and computers. (C) Have close examination and assessment of students’ “unfinished learning.” (D) Adjust teaching methodology for efficient learning.

40.What is the main message of the passage? (A) How coral reefs form and why they are in danger. (B) What people get from coral reefs and why corals are in danger. (C) Where people discover coral reefs and why they are in danger. (D) How different kinds of coral reefs are used and why they are contaminated.