【单选题】【消耗次数：1】
金黄葡萄球菌培养方法与PCR方法比较，会漏检（）以上的定植
①
1/10
②
1/8
③
1/5
④
1/3
⑤
1/2
参考答案：
复制
纠错
相关题目
【单选题】
检测金黄色葡萄球菌β内酰胺酶产生的方法，不正确的是（ ）
①
检测方法为青霉素纸片扩散法
②
培养基为MHA
③
药物浓度为青霉素纸片（10单位）
④
孵育条件为室温环境
⑤
孵育时间16-18h
【单选题】
设离散型随机变量（X，Y）的联合分布律为（X，Y）（1,1）（1,2）（1,3）（2,1）（2,2）（2,3）P1/61/91/181/3ab且X，Y相互独立，则
①
a=2/9, b=1/9
②
a=1/9, b=2/9
③
a=1/6, b=1/6
④
a=8/15, b=1/18
【单选题】
设有向图D = áV, E?, 其中 V={v1, v2, v3, v4, v5}, E={áv4, v1?, áv1, v1?,áv1, v2?,áv1, v3?, áv3, v1?, áv5, v3?}，则v1的邻域 N(v1) =
①
{v3, v4}；
②
{v2, v3,v4}；
③
{v1, v2, v3, v4}；
④
{v2,v3}。
【单选题】
设有向图D = áV, E?, 其中 V={v1, v2, v3, v4, v5}, E={áv4, v1?, áv1, v1?,áv1, v2?,áv1, v3?, áv3, v1?, áv5, v3?}，则v1的闭邻域 N(v1) =
①
{v3, v4}；
②
{v2, v3,v4}；
③
{v1, v2, v3, v4}；
④
{v2,v3}。
【单选题】
设无向图G1 = áV1, E1?, 其中, V1 = {v1, v2, v3, v4, v5}, E1 = {(v1, v2), (v2, v3), (v3, v4), (v3, v3), (v4, v5)}，则v2的邻域 N(v2)为：
①
{v1, v2, v3}；
②
{v1, v3}；
③
{v1, v2, v3, v4, v5}；
④
{v2}。
随机题目
【单选题】
But not all credit card are accepted in the hotels. We only take ( ), JCB, Visa, Master, Dinner’s Club and the Great wall
①
American express
②
American visa
③
American card
④
American club
【单选题】
Smile at everyone It doesn’t matter（ ） he or she is, and that will help you to grow up in greater love for each other.
①
when
②
what
③
whose
④
who
【单选题】
Suits are usually made ( ) woolen cloth. People can wear a suit most of the year.
①
from
②
of
③
in
④
at
【单选题】
Room Service. May I come in? what is the meaning of the phrase “room service”?
①
洗衣服务
②
客房清洁服务
③
送餐服务
④
客房服务
【单选题】
Waiters and waitress, cab drivers, hotel bellboys or doormen, barbers and hair dress and all sorts of other such people must ( )
①
tipping
②
tipped
③
tip
④
be tipped
【单选题】
An ( ) provides hotel rooms with fully-equipped kitchens.
①
inn
②
business
③
casino
④
apartment hotel
【单选题】
The credit cards permit people to borrow-to-buy things they want even when they ( ) have enough money to pay the full price.
①
do not
②
do
③
does
④
does not
【单选题】
We have a single room , double room and ( ). which kind do you prefer?
①
suite
②
suit
③
suits
④
suites