【单选题】【消耗次数：1】
Latin America has an __________ labor force and natural resources.
①
wealthy
②
abundant
③
scattered
④
deposited
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相关题目
【单选题】
America has a lot of _______ weapons now.
①
aggressive
②
expensive
③
passive
④
expressive
【单选题】
As to who is to be hired, it is the Human Resources Department（）has the final say.
①
whose
②
those
③
these
④
that
【单选题】
____ native to North America, corn has now spread all over the world.
①
In spite of
②
That it is
③
It was
④
Although
【单选题】
_____native to North America, corn has now spread all over the world.
①
In spite of
②
That it is
③
It was
④
Although
【简答题】
Translate the following sentence into ChineseToday the quality of our natural environment has become an important issue.
【单选题】
The Transcendentalist group includes two of the most significant writers America has produced so far, Emerson and ________.
①
Washington Irving
②
Nathaniel Hawthorne
③
Henry David Thoreau
④
Walt Whitman
【单选题】
Clothing made of plastic fibres has certain advantages
over ____ made of natural fibres like cotton, wool,
or silk.
①
one
②
the one
③
that
④
what
【判断题】
The Transcendentalist group includes two of the most significant writers America has produced so far, Emerson and Henry David Thoreau.
①
正确
②
错误
【单选题】
Wealthy ____ he was, the governor would not spend a penny on such things.
①
as
②
if
③
though
④
however
随机题目
【单选题】
与美西律不相符的叙述是（）。
①
结构与利多卡因相似
②
以醚键代替利多卡因结构中的酰胺键
③
抗心律失常的作用机理是通过阻滞钠通道，提高颤动阈值
④
水溶液不稳定，易水解
⑤
含有苯氧基丙胺结构
【单选题】
硝酸异山梨酯在体内的活性代谢产物并作为抗心绞痛药物使用的是（）。
①
异山梨醇
②
单硝酸异山梨酯(异山梨醇-5-硝酸酯)
③
硝酸异山梨酯
④
异山梨醇-2-硝酸酯
⑤
硝酸甘油
【单选题】
对青霉素进行结构改造，提高其耐酶特点，所采?用的化学改造方法是（）。
①
6位引入氨基
②
2位羧酸成酯
③
6位引入对羟基苯环
④
6位引入空间位阻大的苯基异唑基
⑤
6位引入苯氧基
【单选题】
磺胺甲噁唑和甲氧苄啶的作用机制为（）。
①
前者作用于二氢叶酸还原酶，后者作用于二氢叶酸合成酶
②
两者都干扰细菌对叶酸的摄取
③
前者作用于二氢叶酸合成酶，后者作用于二氢叶酸还原酶
④
两者都作用于二氢叶酸还原酶
⑤
两者都作用于二氢叶酸合成酶