【单选题】
Why do novice teacher often have problems giving clear instructions?
①
Their language proficiency is low
②
They are fresh from the university
③
Their instructions are too short
④
They are not able to target their instructions to the level of the learners.
【单选题】
Why not buy a cheaper one, ___ you don’t have enough money?
①
since
②
because
③
for
④
though
【单选题】
对应 try 和 catch 子句的排列方式，下列哪一项是正确的？（ ）
①
子类异常在前，父类异常在后
②
父类异常在前，子类异常在后
③
只能有子类异常
④
父类和子类不能同时出现在 try 语句块中
【单选题】
假设x的值为5，则在执行以下语句时，其输出结果为"OK"的SelectCase的语句是（）。
①
SelectCasex:case10to1:Print"OK":Endselect
②
SelectCasex:caseIs5,Is5:Print"OK":Endselect
③
SelectCasex:caseIs5,1,3to10:Print"OK":Endselect
④
SelectCasex:case1,3Is5:Print"OK":Endselect
【单选题】
2.I couldn’t understand why he pretended ______ in the bookstore.
①
to see me not
②
not to see me
③
not see me
④
to see not me
【单选题】
I don’t know why she avoids __________ her opinion on the subject.
①
to give
②
to be given
③
giving
④
being given