(判断题)30: If you want to do the experiment again, you'd better be more careful where you made a mistake. A: 错误 B: 正确 ...

(判断题)24: Neither he nor she is at home today. A: 错误 B: 正确 ...

(单选题)18: ________ they are observing can be tested in a practical way, scientists will use experiments. A: If B: All that C: What D: If what ...

(单选题)12: It is ______ to teach a kid the way to solve a problem than tell him the solution directly. A: helpful B: more helpful C: the most helpful D: the more helpful ...

(单选题)6: John and I will wait right here _______ you get back. A: so that B: that C: until D: for ...

(判断题)30: Reading the text a second time, the meaning will become clearer to you. A: 错误 B: 正确 ...

(判断题)24: I think this jacket is big enough. A: 错误 B: 正确 ...

(单选题)18: — Shall I invite Tom to my party? — Yes, it'll be nice if you ________. A: do B: do invite C: are D: invited ...

(单选题)12: Americans are eating ________ vegetables per person today as they did in 1910. A: more than twice B: more than twice as many C: twice as many are D: what are twice as many ...

(单选题)6: — Mary didn't attend the lecture, did she? — Yes, she _______. A: attended B: didn't attend C: didn't D: did ...