it is generally believed that people learn their first language consciously and acquire their second language naturally.
不属于短骨的是
土的天然含水量是指（ ）之比的百分率。
7细胞8核的成熟胚囊是由功能大孢子经过（）有丝分裂而形成的。
增三根音与三音的音程关系是？
体液调节的特点有
砂浆的拌制一般用砂浆搅拌机，要求拌和均匀，为改善砂浆的保水性可掺入粘土、电石膏、粉煤灰等（ ）。
a variable that can take on values at any point over a given interval is called _______.
剪纸的基础技法包括（）。
if data are grouped into intervals and the number of items in each group is listed, this could be called a _______________.
for any normal distribution, any value less than the mean would have a _______.
consider the following null and alternative hypotheses. ho: m >= 7 ha: m < 6 these hypotheses _______________.
“第二文本”主要是指()
suppose a random sample of 36 is selected from a population with a standard deviation of 12. if the sample mean is 98, the 99% confidence interval to estimate the population mean is _______.
variables which take on values only at certain points over a given interval are called _______.
the average starting salary for graduates at a university is $25,000 with a standard deviation of $2000. a histogram of the data shows the shape to be very erratic so chebyshev’s theorem should be used. how many of the graduates would have a starting salary between 21,000 and 29,000?
what happens to the rejection region if the level of significance is changed from 0.10 to 0.05?