--Hi,welcomeback!Hadanicetrip?___________________________

【单选题】

—Hi, Tory, can I use your computer for a while this afternoon?—Sorry. __________.

① Its repaired

② It has been repaired

③ Its being repaired

④ It had been repaired

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【判断题】

A: Hi, John. This is my friend, Mary. B: You are good, John.

① 正确

② 错误

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【单选题】

-Hi, haven’t seen you for ages! You look fine! -____. You look well, too.

① Great

② Thanks

③ Oh, no

④ Not at all

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【单选题】

A: Hi, Mark, Im glad you could come. B: [填空] A: No, you are right on time.

① Its my great honor, thanks.

② You are welcome. Am I the first?

③ Thanks. Do you have the time?

④ I hope Im not too late.

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【单选题】

A: Hi, my name is Lin Xiaoyan. Its nice to meet you. B: Im Jack. [填空]

① You know?

② How are you, Lin Xiaoyan?

③ Its pleasure to meet you, Lin Xiaoyan.

④ Youre busy, arent you?

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【单选题】

① 2

② -2

③ 0

④ 1

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【单选题】

A: Hi. My name is David Manning. Im from Britain. B: Im Bill Clinton. Glad to meet you. What year are you? A: [填空].

① Im a first-year student

② I was born in 1990

③ Ive been here for years

④ Im 19 years old

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【单选题】

设函数<img src=https://huaweicloudobs.ahjxjy.cn/DA63FE35C9142DD79DAF59296BE6F84D.png title=42%HAX0HI(P9F2)AZ~)Q5I7.png alt=42%HAX0HI(P9F2)AZ~)Q5I7.png/>，则<img src=https://huaweicloudobs.ahjxjy.cn/218D27D1EB75F9DF442B608B6FB10CFC.png title=BNCZO08BDJQBUD]~7FO8UQ4.png alt=BNCZO08BDJQBUD]~7FO8UQ4.png/>（）

① <img src=https://huaweicloudobs.ahjxjy.cn/D0580DF1C30FE9727F4911CBC336E1CE.png title=)0)2@_6_6P]M89A_R3YC})0.png alt=)0)2@_6_6P]M89A_R3YC})0.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/BDC4A5F94FF45A24844E534BA5D54332.png title=@I%}~2SD7}[{3L`TYKJMN(P.png alt=@I%}~2SD7}[{3L`TYKJMN(P.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/797B92437A2B735EC8A1EFA9785E1140.png title=P%0]L@$M9I~OES1G`F_B5CY.png alt=P%0]L@$M9I~OES1G`F_B5CY.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/386DD548B073166B18432DF83B5CB758.png title=XR9A(3GON111DR~I%@_8254.png alt=XR9A(3GON111DR~I%@_8254.png/>

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【单选题】

常用（）来雕刻玻璃制品上的标记和花纹。

① HCl

② HI

③ HBr

④ HF

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【单选题】

在制备（）及其溶液时，不能用玻璃器皿。

① HF

② HI

③ HBr

④ HCl

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