【单选题】An English exchange student in your college is learning Chinese, but he often uses 你好 when he speaks to your professors. What do you think or say?
A.
Isn’t he funny when he makes silly mistakes?
B.
I wonder if he knows the professors really well.
C.
“It’s very rude to use 你好 when you speak to a professor. You should show more respect.”
D.
“Your Chinese is excellent. By the way, you might like to say 您好 when you speak to your professors.”
【判断题】01 Your professors like their work and want you to enjoy it too.
【多选题】大肠杆菌作为受体菌表达真核生物外源基因时具有的劣势是
【简答题】密度法测定的聚合物材料的结晶度和使用热焓法测定的结晶度,哪个方法所测得的值更高? 为什么?
【判断题】Your professors like their work and want you to enjoy it too.
【单选题】For the following introduction of a narrative essay, what kind of hook is used?A professor is a university teacher of the highest grade who holds a chair in a subject. I would like to share with your ...
【简答题】Your parents and professors will be impressed. Therefore, the library can become your __, the place to do whatever you like.
【单选题】4 An English exchange student in your college is learning Chinese, but he often uses 你好 when he speaks to your professors. What do you think or say?
A.
Isn't he funny when he makes silly mistakes?
B.
I wonder if he knows the professors really well.
C.
"It's very rude to use 你好 when you speak to a professor. You should show more respect."
D.
Your Chinese is excellent. By the way, you might like to say您好when you speak to your professors."
【多选题】大肠杆菌作为受体菌表达真核生物外源基因时具有的劣势是
【简答题】为什么真核生物基因不能在大肠杆菌中直接表达?在什么条件下才能表达?